Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager

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Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager First Published: 2017-11-22 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense. The following information is for FCC compliance of Class B devices: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If the equipment causes interference to radio or television reception, which can be determined by turning the equipment off and on, users are encouraged to try to correct the interference by using one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/tv technician for help. Modifications to this product not authorized by Cisco could void the FCC approval and negate your authority to operate the product The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB s public domain version of the UNIX operating system. All rights reserved. Copyright 1981, Regents of the University of California. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: http:// www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R) 2017 Cisco Systems, Inc. All rights reserved.

CONTENTS CHAPTER 1 Cisco ATA 191 Analog Telephone Adapter Overview 1 Your Analog Telephone Adapter 1 Session Initiation Protocol 2 SIP Capabilities 2 SIP Components 2 SIP Clients 3 SIP Servers 3 Cisco ATA 191 Hardware 4 ATA 191 Top Panel 5 Problem Report Tool Button 6 ATA 191 Back Panel 7 Software Features 7 Secure Real-Time Transport Protocol 8 Fax Passthrough 8 Transport Layer Security Protocol 8 T.38 Fax Relay 8 Supported Voice Codecs 8 Other Supported Protocols 9 Supported SIP Services 9 Supported Call Services 10 Modem Standards 10 Fax Services 11 Supported Methods 11 Supported ATA Call Features 12 Installation and Configuration Overview 12 CHAPTER 2 Prepare to Install the ATA 191 on Your Network 15 Interactions with Other Cisco Unified IP Communications Products 15 iii

Contents Interaction with Cisco Unified Communications Manager 15 Power Guidelines 16 Power Outage 16 Phone Configuration Files 16 ATA 191 Startup Process 17 Start up Process with Standby Image 19 Addition of the ATA 191 to the Cisco Unified CM Database 19 Addition with Autoregistration 19 Addition with Cisco Unified Communications Manager Administration 20 Determine the MAC Address of the ATA 20 CHAPTER 3 Install the ATA 191 21 ATA 191 Installation Information 21 Network Requirements 21 Safety Recommendations 22 Package Contents 22 Install Your Cisco ATA 22 Attach a Phone to the ATA 191 23 Startup Process Verification 23 Configure Startup Network Settings 24 Security on the ATA 191 24 CHAPTER 4 Configure the ATA 191 25 Telephony Features 25 Product-Specific Configuration Parameters 31 Add Users to Cisco Unified Communications Manager 36 CHAPTER 5 Configure Fax Services 37 Fax Services 37 Fax Mode 37 Fax Modem Standards 38 Fax Modem Speeds 38 CHAPTER 6 Troubleshoot and Maintenance 41 Configure Syslog Reports 41 iv

Contents Practice 43 Turn On Debug flag for Media or SIP 44 Resolve Startup Problems 44 The ATA 191 Does Not Register with Cisco Unified Communications Manager 44 Check Network Connectivity 45 Verify TFTP Server Settings 45 Verify DNS Settings 46 Verify Cisco Unified Communications Manager Settings 46 Cisco Unified Communications Manager and TFTP Services Are Not Running 46 Create a New Configuration File 47 Search for the ATA in Cisco Unified Communications Manager 47 ATA 191 Unable to Obtain IP Address 48 ATA 191 Resets Unexpectedly 48 Verify the Physical Connection 49 Identify Intermittent Network Outages 49 Verify DHCP Settings 49 Check Static IP Address Settings 50 Verify Voice VLAN Configuration 50 Eliminate DNS or Other Connectivity Errors 50 Troubleshoot ATA 191 Security 51 General Troubleshooting Tips 51 Problem Report Tool 52 Configure a Customer Support Upload URL 53 Generate a Problem Report 54 Clean the ATA 191 54 CHAPTER 7 ATA 191 Specifications 55 Physical Specifications 55 Electrical Specifications 56 Environmental Specifications 56 Physical Interfaces 57 Ringing Characteristics 57 Software Specifications 58 SIP Compliance Reference Information 59 v

Contents CHAPTER 8 Voice Menu Codes 61 Access the IVR and Configure Your ATA Settings 61 IVR Tips 62 IVR Configuration Menu Options 62 CHAPTER 9 ATA 191 Country-Specific Tones and Cadences 65 ATA 191 Country-Specific Tones and Cadences 65 Mechanism 65 Link a Tone File with a Device 65 Tone Configuration 66 vi

CHAPTER 1 Cisco ATA 191 Analog Telephone Adapter Overview Your Analog Telephone Adapter, page 1 Your Analog Telephone Adapter The ATA 191 analog telephone adapter is a telephony-device-to-ethernet adapter that allows regular analog phones to operate on IP-based telephony networks. The ATA 191 supports two voice ports, each with an independent phone number. The ATA 191 also has an RJ-45 10/100BASE-T data port. Figure 1: Cisco Analog Telephone Adapter 1

Session Initiation Protocol Cisco ATA 191 Analog Telephone Adapter Overview Session Initiation Protocol Session Initiation Protocol (SIP) is the Internet Engineering Task Force (IETF) standard for real-time calls and conferencing over Internet Protocol (IP). SIP is an ASCII-based, application-layer control protocol (defined in RFC3261). It is used to establish, maintain, and terminate multimedia sessions or calls between two or more endpoints. Like other Voice over IP (VoIP) protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. Session management is used to control the attributes of an end-to-end call. Note SIP for the ATA 191 is compliant with RFC2543. SIP Capabilities Session Initiation Protocol (SIP) provides these capabilities: Determines the availability of the target endpoint. If the target endpoint is unavailable, SIP determines whether the called party is already on the phone or didn't answer in the allotted number of rings. SIP then returns a message indicating why the target endpoint was unavailable. Determines the location of the target endpoint. SIP supports address resolution, name mapping, and call redirection. Determines the media capabilities of the target endpoint. Using the Session Description Protocol (SDP), SIP determines the lowest level of common services between endpoints. Conferences are established using only the media capabilities that all endpoints support. Establishes a session between the originating and target endpoint. If the call can be completed, SIP establishes a session between the endpoints. SIP also supports midcall changes, such as adding another endpoint to the conference or changing the media characteristic or codec. Handles the transfer and termination of calls. SIP supports the transfer of calls from one endpoint to another. During a call transfer, SIP establishes a session between the transferee and a new endpoint (specified by the transferring party). SIP also terminates the session between the transferee and the transferring party. At the end of a call, SIP terminates the sessions between all parties. Conferences can consist of two or more users and can be established using multicast or multiple unicast sessions. SIP Components SIP is a peer-to-peer protocol. The peers in a session are called User Agents (UAs). A user agent can function in one of these roles: User agent client (UAC) A client application that initiates the SIP request. User agent server (UAS) A server application that contacts the user when a SIP request is received and returns a response on behalf of the user. 2

Cisco ATA 191 Analog Telephone Adapter Overview Session Initiation Protocol Typically, a SIP endpoint is capable of functioning as both a UAC and a UAS, but functions only as one or the other per transaction. Whether the endpoint functions as a UAC or a UAS depends on the UA that initiated the request. From an architectural standpoint, the physical components of a SIP network can also be grouped into two categories Clients and servers. The following figure shows the architecture of a SIP network. Note SIP servers can interact with other application services, such as Lightweight Directory Access Protocol (LDAP) servers, a database application, or an extensible markup language (XML) application. These application services provide back-end services such as directory, authentication, and billable services. Figure 2: SIP Architecture SIP Clients SIP clients include: Gateways Provide call control. Gateways provide many services, the most common being a translation function between SIP conferencing endpoints and other terminal types. This function includes translation between transmission formats and between communications procedures. In addition, the gateway also translates between audio and video codecs and performs call setup and clearing on both the LAN side and the switched-circuit network side. Phones Can act as either a UAS or UAC. The ATA 191 can initiate SIP requests and respond to requests. SIP Servers SIP servers include: 3

Cisco ATA 191 Hardware Cisco ATA 191 Analog Telephone Adapter Overview Proxy server The proxy server is an intermediate device that receives SIP requests from a client and then forwards the requests on the client s behalf. Proxy servers receive SIP messages and forward them to the next SIP server in the network. Proxy servers can provide functions such as authentication, authorization, network access control, routing, reliable request retransmission, and security. Redirect server Receives SIP requests, strips out the address in the request, checks its address tables for any other addresses that may be mapped to the address in the request, and then returns the results of the address mapping to the client. Redirect servers provide the client with information about the next hop or hops that a message should take, then the client contacts the next hop server or UAS directly. Registrar server Processes requests from UACs for registration of their current location. Registrar servers are often colocated with a redirect or proxy server. Cisco ATA 191 Hardware The ATA 191 is a compact, easy to install device. The following figures show the top and rear panels of the ATA 191. The unit provides these connectors: 5V DC power connector. Two RJ-11 FXS (Foreign Exchange Station) ports The ATA 191 supports two independent RJ-11 phone ports that can connect to any standard analog phone device. Each port supports either voice calls or fax sessions, and both ports can be used simultaneously. The ATA 191 has one WAN network port An RJ-45 10/100BASE-T data port to connect an Ethernet-capable device, such as a computer, to the network. You connect to the network switch or a computer running Cisco Unified Communications Manager using this port. Note The ATA network port performs autonegotiation for duplex and speed. It supports speeds of 10/100 Mbps and full-duplex. 4

Cisco ATA 191 Analog Telephone Adapter Overview Cisco ATA 191 Hardware ATA 191 Top Panel Figure 3: ATA 191 Top Panel 5

Cisco ATA 191 Hardware Cisco ATA 191 Analog Telephone Adapter Overview Table 1: ATA 191 Top Panel Items Item Power LED Network LED Phone 1 LED Phone 2 LED Problem Report Tool (PRT) Button Problem Report Tool (PRT) LED Description Steady green: System booted up successfully and is ready for use. Slow flashing green: System is booting up. Fast flashing green three times, then repeats: System failed to boot up. Off: Power is off. Flashing green: Data transmission or reception is in progress through the WAN port. Off: No link. Steady green: On hook. Slow flashing green: Off hook. Fast flashing green three times, then repeats: The analog device failed to register. Off: The port is not configured. Press this button to create a problem report using the Problem Report Tool. Note This is not a power button. When you press this button, a problem report is generated and uploaded to a server for the system administrator. Flashing amber: The PRT is preparing the data for the problem report. Fast Flashing amber: The PRT is sending the problem report log to the PRT server. Solid green for five seconds, then off: The PRT report was sent successfully. Flashing red: The PRT report failed. Press the PRT button to turn the LED off. Once it is off, another press triggers a new PRT report. Problem Report Tool Button The ATA top panel includes the Problem Report Tool (PRT) button. When the button is pressed, a log file is prepared and uploaded to either an HTTP server or to Cisco Unified Communications Manager depending on your configuration. You can instruct your analog phone users to press the PRT button on the ATA device to start the PRT log file process. To upload the PRT log file from the ATA, one of the following must be completed: The HTTP server must be set up to upload the PRT log file from the ATA. 6

Cisco ATA 191 Analog Telephone Adapter Overview Software Features You configure the customer support upload URL in CUCM and apply it to the ATA. Related Topics Problem Report Tool, on page 52 ATA 191 Back Panel Figure 4: ATA 191 Back Panel Table 2: ATA 191 Back Panel Items Item RESET PHONE 1 PHONE 2 NETWORK DC 5V POWER Description To restart the ATA, use a paper clip or similar object to press this button briefly. To restore the factory default settings, press and hold for 10 seconds. Use an RJ-11 phone cable to connect an analog phone or fax machine. Use an RJ-11 phone cable to connect a second analog phone or fax machine. Use an Ethernet cable to connect to the network. Use the power adapter that was provided to connect to a power source. Software Features The ATA 191 supports these protocols, services, and methods: Secure Real-Time Transport Protocol, on page 8 Fax Passthrough, on page 8 7

Software Features Cisco ATA 191 Analog Telephone Adapter Overview Transport Layer Security Protocol, on page 8 T.38 Fax Relay, on page 8 Supported Voice Codecs, on page 8 Other Supported Protocols, on page 9 Supported SIP Services, on page 9 Modem Standards, on page 10 Fax Services, on page 11 Supported Methods, on page 11 Supported ATA Call Features, on page 12 Secure Real-Time Transport Protocol Secure Real-Time Transport Protocol secures voice conversations on the network and provides protection against replay attacks. Fax Passthrough Name Signaling Event (NSE) -based and re-invite-based passthrough provide transport of fax communications using the G.711a/u codec. Transport Layer Security Protocol Transport Layer Security (TLS) is a cryptographic protocol that secures data communications such as email on the Internet. TLS is functionally equivalent to Secure Sockets Layer (SSL). T.38 Fax Relay The T.38 fax relay feature enables devices to use fax machines to send files over the IP network. In general, when a fax is received, it is converted to an image, then sent to the T.38 fax device. When the target T.38 fax device receives this image, the device converts the image back to an analog fax signal. T.38 fax relays configured with voice gateways decode or demodulate the fax signals before they are transported over IP. With the SIP call control protocol, the Session Description Protocol (SDP) entries in the initial SIP INVITE message indicate that T.38 fax relay is present. After the initial SIP INVITE message, the call is established to switch from voice mode to T.38 mode. Cisco Unified Communications Administration allows you to configure a SIP profile that supports T.38 fax communication. The ATA 191 only supports T38 Fax Relay Version 0 (G3). Supported Voice Codecs The ATA 191 supports these voice codecs: G.711 mu-law G.711 A-law 8

Cisco ATA 191 Analog Telephone Adapter Overview Software Features G.729a G.729ab Check your other network devices for the codecs they support. Other Supported Protocols The ATA supports these additional protocols: 802.1Q VLAN tagging Cisco Discovery Protocol (CDP) Domain Name System (DNS) Dynamic Host Configuration Protocol (DHCP) Internet Control Message Protocol (ICMP) Internet Protocol (IP) v4 and IPv6 Link Layer Discovery Protocol (LLDP) Secure Real-Time Transport Protocol (SRTP) Transmission Control Protocol (TCP) Trivial File Transfer Protocol (TFTP) User Datagram Protocol (UDP) Transport Layer Security (TLS) Secure Socket Shell (SSH) Network Time Protocol (NTP) HyperText Transfer Protocol (HTTP) Supported SIP Services The following SIP services are supported on the ATA: IP address assignment DHCP-provided or statically configured ATA 191 configuration by Cisco Unified Communications Manager configuration interface VLAN configuration Cisco Discovery Protocol (CDP) Low-bit-rate codec selection User authentication Configurable tones (ringback tone, reorder tone, dialing tone, outside dialing tone, busy tone, call waiting tone) Dial plan and PLAR 9

Software Features Cisco ATA 191 Analog Telephone Adapter Overview SIP Proxy Server redundancy Privacy features User-configurable, call waiting, permanent default setting Comfort noise during silent period when using G.711u/a and G.729ab Caller ID format Ring frequency/voltage adjustment Hookflash detection timing configuration Type of Service (ToS) configuration for audio and signaling Ethernet packets Debugging and diagnostic tools Supported Call Services The following call services are supported on the ATA: IP address assignment DHCP-provided or statically configured ATA 191 configuration by Cisco Unified Communications Manager configuration interface VLAN configuration Cisco Discovery Protocol (CDP) Low-bit-rate codec selection User authentication Configurable tones (ringback tone, reorder tone, dialing tone, outside dialing tone, busy tone, call waiting tone) Dial plan and PLAR SIP Proxy Server redundancy Privacy features User-configurable, call waiting, permanent default setting Comfort noise during silent period when using G.711u/a and G.729ab Caller ID format Ring frequency/voltage adjustment Hookflash detection timing configuration Type of Service (ToS) configuration for audio and signaling Ethernet packets Debugging and diagnostic tools Modem Standards The ATA supports these modem standards: 10

Cisco ATA 191 Analog Telephone Adapter Overview Software Features V.90 V.92 V.44 K56Flex ITU-T V.34 Annex 12 ITU-T V.34 V.32bis V.32 V.21 V.22 V.23 Fax Services The ATA 191 supports two modes of fax services: Fax pass-through mode: Receiver-side Called Station Identification (CED) tone detection with automatic G.711A-law or G.711µ-law switching. T.38 Fax Relay mode: The T.38 fax relay feature enables devices to use fax machines to send files over the IP network. In general, when a fax is received, it is converted to an image, then sent to the T.38 fax device. When the target T.38 fax device receives this image, the device converts the image back to an analog fax signal. T.38 fax relays configured with voice gateways decode or demodulate the fax signals before they are transported over IP. Note Success of fax transmission depends on network conditions and fax modem response to these conditions. The network must have reasonably low network jitter, network delay, and packet loss rate. Related Topics Configure Fax Services, on page 37 Supported Methods The ATA 191 supports these methods: REGISTER REFER INVITE BYE CANCEL 11

Software Features Cisco ATA 191 Analog Telephone Adapter Overview NOTIFY OPTIONS ACK SUBSCRIBE For more information, see RFC3261, SIP: Session Initiation Protocol. Supported ATA Call Features SIP supplementary services are services that you can use to enhance your phone service. The ATA supports these SIP supplementary services: Caller ID Call-waiting caller ID Voice mail indication Making a conference call Call waiting Call forwarding Calling-line identification Unattended transfer Attended transfer Shared Line SpeedDial Meet-Me Conference Call Pickup/Group Call Pickup Redial Secure Call C-Barge Installation and Configuration Overview The following basic steps are required to install and configure the ATA. The steps also make the ATA operational in a typical SIP environment where many ATAs are deployed. 1 Plan the network and the ATA configuration. 2 Install the Ethernet connection. 3 Install and configure the other network devices. 4 Install the ATA but do not power it up yet. 12

Cisco ATA 191 Analog Telephone Adapter Overview Software Features 5 Power up the ATA. Related Topics Prepare to Install the ATA 191 on Your Network, on page 15 Install the ATA 191, on page 21 13

Software Features Cisco ATA 191 Analog Telephone Adapter Overview 14

CHAPTER 2 Prepare to Install the ATA 191 on Your Network Interactions with Other Cisco Unified IP Communications Products, page 15 Power Guidelines, page 16 Power Outage, page 16 Phone Configuration Files, page 16 ATA 191 Startup Process, page 17 Start up Process with Standby Image, page 19 Addition of the ATA 191 to the Cisco Unified CM Database, page 19 Determine the MAC Address of the ATA, page 20 Interactions with Other Cisco Unified IP Communications Products The ATA 191 enables you to communicate using voice over a data network. To provide this capability, the ATA 191 depends upon and interacts with several other key Cisco Unified IP Telephony and Network components, including Cisco Unified Communications Manager, DNS and DHCP servers, TFTP servers, media resources, and so on. To function in the IP telephony network, the ATA 191 must be connected to a networking device, such as a Cisco Catalyst switch. You must also register the ATA 191 with a Cisco Unified Communications Manager system before you can send and receive calls. For related information about voice and IP communications, see this URL: https://www.cisco.com/c/en/us/products/unified-communications/index.html Interaction with Cisco Unified Communications Manager Cisco Unified Communciations Manager is an open industry-standard call process system. Cisco Unified Communications Manager software sets up and tears down calls between analog phones that are connected to the ATA, and thus integrates traditional PBX functionality with the corporate IP network. Cisco Unified 15

Power Guidelines Prepare to Install the ATA 191 on Your Network Communications Manager manages the components of the IP telephony system: the phones, the access gateways, and the resources necessary for features such as call conferencing and route planning. Cisco Unified Communications Manager also provides: Firmware for devices Authentication and encryption (if configured for the telephony system) Configuration and CTL files via the TFTP service Phone registration Call preservation, so that a media session continues if signaling is lost between the primary Communications Manager For information about configuring Cisco Unified Communications Manager to work with the IP devices described in this chapter, see Administration Guide for Cisco Unified Communications Manager and IM and Presence Service, System Configuration Guide for Cisco Unified Communications Manager, and Security Guide for Cisco Unified Communications Manager. Power Guidelines The ATA is powered with external power. External power is provided through a separate power supply. The following power type and guideline applies to external power for the ATA: Power Type External power (provided through the Universal AC external power supply). Guidelines The ATA uses the Universal AC power supply 100/240V. Related Topics Electrical Specifications, on page 56 Power Outage Your accessibility to emergency service through the phone depends the phone being powered. If there is an interruption in the power supply, Service and Emergency Calling Service dialing will not function until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure equipment before using the Service or Emergency Calling Service dialing. Phone Configuration Files Configuration files for a phone are stored on the TFTP server and define parameters for connecting to Cisco Unified Communications Manager. When you make a change in Cisco Unified Communications Manager that requires the ATA 191 line to be reset, the phone configuration file is automatically updated. If a system reset or restart is required, both lines must reset or restart at the same time. Configuration files also contain information about which image load the ATA 191 should be running. If this image load differs from the one currently loaded on an ATA 191, the phone contacts the TFTP server to request the required load files. These files are digitally signed to ensure the authenticity of the file source. 16

Prepare to Install the ATA 191 on Your Network ATA 191 Startup Process If the device security mode in the configuration file is set to Authenticated and the CTL file on the ATA 191 has a valid certificate for Cisco Unified Communications Manager, the phone establishes a TLS connection to Cisco Unified Communications Manager. Otherwise, the ATA 191 establishes a TCP/UDP connection. You can go to Voice > Line > SIP Settings on the ATA 191 web GUI, where the SIP Transport should correspond to the transport type in the Phone Security Profile in Cisco Unified Communications Manager. If you configure security-related settings in Cisco Unified Communications Manager Administration, the phone configuration file contains sensitive information. To ensure the privacy of a configuration file, configure it for encryption. For detailed information, see the Encrypted Phone Configuration Setup chapter of the Security Guide for Cisco Unified Communications Manager at: https://www.cisco.com/c/en/us/support/ unified-communications/unified-communications-manager-callmanager/products-maintenance-guides-list.html. If the ATA 191 has registered before, the ATA 191 accesses the configuration file named ATA<mac_address>.cnf.xml, where mac_address is the MAC address of the phone. If the ATA 191 cannot access that configuration file, then it accesses the default XMLDefault.cnf.xml configuration file. If autoregistration is not enabled and you did not add the ATA 191 to the Cisco Unified Communications Manager database, the ATA 191 does not attempt to register with Cisco Unified Communications Manager. For the ATA 191, the TFTP server generates these SIP configuration files: SIP IP Phone: For unsigned and unencrypted files ATA<mac>.cnf.xml For signed files ATA<mac>.cnf.xml.sgn For signed and encrypted files ATA<mac>.cnf.xml.enc.sgn The filenames are derived from the MAC Address in the Phone Configuration window of Cisco Unified Communications Manager Administration. The MAC address uniquely identifies the phone. For more information, see the Administration Guide for Cisco Unified Communications Manager and IM and Presence Service. For more information about how the phone interacts with the TFTP server, see the Configure TFTP Servers chapter of the System Configuration Guide for Cisco Unified Communications Manager at: https:// www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/ products-installation-and-configuration-guides-list.html ATA 191 Startup Process When the ATA 191 connects to the VoIP network, it goes through a standard startup process. Depending on your specific network configuration, not all these process steps may occur on your ATA. Table 3: ATA 191 Startup Process Task 1 Obtaining power. The ATA 191 uses external power. Related Topics See Power Guidelines, on page 16. 17

ATA 191 Startup Process Prepare to Install the ATA 191 on Your Network Task 2 3 4 5 6 Loading the Stored Image. The Cisco ATA 191 has nonvolatile flash memory in which it stores firmware images and user-defined preferences. At startup, the ATA 191 runs a bootstrap loader that loads an ATA 191 image stored in flash memory. Using this image, the ATA 191 initializes its software and hardware. Obtaining an IP Address. If the Cisco ATA 191 is using DHCP to obtain an IP address, the device queries the DHCP server to obtain one. If you are not using DHCP in your network, assign static IP addresses to each device locally. Requesting the CTL file. The TFTP server stores the CTL file. This file contains the certificates necessary for establishing a secure connection between the device and Cisco Unified Communications Manager. Requesting the Configuration File. The TFTP server has configuration files, which define parameters for connecting to Cisco Unified Communications Manager and other information for the ATA 191. Contacting Cisco Unified Communications Manager. The configuration file defines how the ATA 191 communicates with Cisco Unified Communications Manager and provides a device with its load ID. After obtaining the file from the TFTP server, the device attempts to make a connection to the highest priority Cisco Unified Communications Manager on the list. If the device is configured for secure signaling (encrypted or authenticated), and the Cisco Unified Communications Manager is set to Mixed (security) mode, the device makes a TLS connection. Otherwise, it makes a nonsecure TCP/UDP connection. Related Topics See the Cisco CTL Client Setup chapter of the Security Guide for Cisco Unified Communications Manager at: https://www.cisco.com/c/en/us/support/ unified-communications/ unified-communications-manager-callmanager/ products-maintenance-guides-list.html See Phone Configuration Files, on page 16. See Phone Configuration Files, on page 16. 18

Prepare to Install the ATA 191 on Your Network Start up Process with Standby Image Start up Process with Standby Image The ATA 191 has two images or partitions in permanent storage. The second image allows the device to recover if the initial image is corrupted. Press the PRT button when the power is on, and you switch to the standby partition. Startup is similar to the normal process, except that the LED for Phone 2 flashes amber indicating that the second partition is being used. Related Topics Startup Process Verification, on page 23 Addition of the ATA 191 to the Cisco Unified CM Database Before you install the ATA 191, choose a method for adding the devices to the Cisco Unified Communications Manager database. The following table provides an overview of these methods for adding the ATA 191 to the Cisco Unified Communications Manager database. Table 4: Add the ATA to the Cisco Unified Communications Manager Database Method Autoregistration Using the Cisco Unified Communications Manager Administration Requires MAC Address? No Yes Notes Results in automatic assignment of directory numbers. Not available when mixed mode is enabled. Requires phones to be added individually. Addition with Autoregistration By enabling autoregistration before you begin installing the ATA 191, you can: Automatically add devices without first gathering MAC addresses from the ATA 191. Automatically add an ATA 191 to the Cisco Unified Communications Manager database when you physically connect the phone to your IP telephony network. During autoregistration, Cisco Unified Communications Manager assigns the next available sequential directory number to the phone. To change any settings, quickly enter devices into the Cisco Unified Communications Manager database and modify settings, such as directory numbers, from Cisco Unified Communications Manager. Move autoregistered devices to new locations and assign them to different device pools without affecting their directory numbers. 19

Addition with Cisco Unified Communications Manager Administration Prepare to Install the ATA 191 on Your Network Note Support exists for autoregistration for several devices in the Unified CM at the same time. Autoregistration is disabled by default. Sometimes, you may not want to use autoregistration. For example, if you want to assign a specific directory number to the phone or if you plan to use secure connection with Cisco Unified Communications Manager. For information about enabling autoregistration, see the Enabling Auto-Registration in the Cisco Unified Communications Manager Administration Guide. Note For mixed mode, autoregistration is automatically disabled and cannot be changed. For nonsecure mode, autoregistration is disabled by default but can be enabled manually. Addition with Cisco Unified Communications Manager Administration You can add the ATA 191 individually to the Cisco Unified Communications Manager database using Cisco Unified Communications Manager Administration. To do so, first obtain the MAC address for each device. After you have collected MAC addresses, in Cisco Unified Communications Manager Administration, choose Device > Phone and click Add New to begin. Note The ATA 191 has two FXS ports, and each port has its own MAC address. The first ATA 191 port uses the MAC address and the second ATA 191 port uses the shifted MAC address (example, AABBCCDDEEFF to BBCCDDEEFF01). You can add two devices (either an analog phone or a fax machine) from the Unified CM administration page. For complete instructions and conceptual information about Cisco Unified Communications Manager, see the Cisco Unified Communications Manager Administration Guide and the Cisco Unified Communications Manager System Guide. Determine the MAC Address of the ATA Procedure Choose one of the following methods to determine the MAC address: Look at the MAC label on the back of the ATA. Go to Voice > Information on the web page of the device and check the MAC address. 20

CHAPTER 3 Install the ATA 191 ATA 191 Installation Information, page 21 Network Requirements, page 21 Safety Recommendations, page 22 Package Contents, page 22 Install Your Cisco ATA, page 22 Attach a Phone to the ATA 191, page 23 Startup Process Verification, page 23 Configure Startup Network Settings, page 24 Security on the ATA 191, page 24 ATA 191 Installation Information You connect the ATA 191 hardware and configure the ATA 191 by loading the QED and firmware files. Install the QED file first, then install the firmware file. For more information about loading the QED and firmware files, see the "Installation Notes" section of the "Release Notes for Cisco ATA 191 Analog Telephone Adapter". Network Requirements The ATA 191 acts as an endpoint on an IP telephony network. The following equipment is required: Call Control system Voice packet gateway Required if you are connecting to the Public Switched Telephone Network (PSTN). A gateway is not required if an analog key system is in effect. Ethernet connection 21

Safety Recommendations Install the ATA 191 Safety Recommendations To ensure general safety, follow these guidelines: Do not get this product wet or pour liquids into this device. Do not open or disassemble this product. Do not perform any action that creates a potential hazard to people or makes the equipment unsafe. Use only the power supply that comes with the ATA. Ultimate disposal of this product should be handled according to all national laws and regulations. Read the installation instructions before you connect the system to its power source. The plug-socket combination must always be accessible because it serves as the main disconnecting device. Do not work on the system or connect or disconnect cables during periods of lightning activity. To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables. For translated warnings, see the Regulatory Compliance and Safety Information for the Cisco ATA 191 document. Package Contents The ATA 191 package contains the following items: Cisco ATA 191 Analog Telephone Adapter Regulatory Compliance and Safety Information for the ATA 191 5V power adapter with appropriate country clip Ethernet cable Note The ATA is intended for use only with the 5V DC power adapter that comes with the unit. Install Your Cisco ATA You can use either Category 3/5/5e/6 cabling for 10-Mbps connections, but you must use Category 5/5e/6 for 100-Mbps connections. 22

Install the ATA 191 Attach a Phone to the ATA 191 Procedure Step 1 Step 2 Connect the power supply to the Cisco DC Adapter port. Connect a straight-through Ethernet cable from the network to the network port on the ATA. Each ATA ships with one Ethernet cable in the box. Attach a Phone to the ATA 191 Before You Begin You can attach one or two phones to an ATA 191. Procedure Connect one or more phones to a phone port of the ATA with an RJ11 cable. The PHONE1 and PHONE2 LEDs on the ATA light as solid green when there is activity on that port. Startup Process Verification After your ATA has power connected to it, it begins the startup process by cycling through these steps: 1 The Power LED flashes during the startup process. 2 The Problem Report Tool (PRT) LED lights solid amber during initial bootup. The LED then flashes amber and then green while the application and kernel are booting. If the PRT LED lights red during bootup, then either the MIC certificate failed, or the ATA failed to obtain a network address. 3 The LED for Phone 1 flashes while the Phone1 port boots, followed by the LED for Phone 2. After the Phone1 and Phone2 ports register with Cisco Unified CM successfully, the corresponding LEDs are lit with solid green. If a phone port fails to register, the LED rapidly flashes in green three times, then repeats. 4 When the ATA has successfully booted, the Power LED lights solid green and the PRT LED turns off. The Network LED flashes as traffic is detected. When you go offhook on the phone, the phone LED begins to flash, and you hear the dial tone. The ATA has completed the startup process. Related Topics Start up Process with Standby Image, on page 19 23

Configure Startup Network Settings Install the ATA 191 Configure Startup Network Settings Before You Begin Perform this configuration if you are not using DHCP in your network. Procedure Step 1 Step 2 Step 3 Configure these network settings on the ATA after you install the device on the network: IP subnet information (subnet mask and gateway) TFTP server IP address Configure these optional settings as necessary: Administration VLAN ID Collect this information. Security on the ATA 191 Security features protect against several threats, including threats to the identity of the phone and to data. These features establish and maintain authenticated communication streams between the phone and the Cisco Unified Communications Manager server, and digitally sign files before they are delivered. For more information about the security features, see the Security Guide for Cisco Unified Communications Manager. You can start the installation of a Locally Significant Certificate (LSC) on the device profile from Cisco Unified Communications Manager. Use the Device > Phone > Phone Configuration menu option. You can also use this menu option to update or remove an LSC. Before you begin, make sure that the appropriate Cisco Unified Communications Manager and the CAPF security configurations are complete: On Cisco Unified Communications Operating System Administration, verify that the CAPF certificate has been installed. The CAPF is running and configured. See the Security Guide for Cisco Unified Communications Manager for more information. 24

CHAPTER 4 Configure the ATA 191 Telephony Features, page 25 Product-Specific Configuration Parameters, page 31 Add Users to Cisco Unified Communications Manager, page 36 Telephony Features The following table lists the supported telephony features. Use Cisco Unified Communications Manager Administration to configure many of these features. Table 5: Telephony Features for the ATA 191 Feature Description Audible Message A stutter tone from the handset or speakerphone Waiting Indicator indicates that a user has one or more new voice messages on a line. Note The stutter tone is line-specific. You hear it only when using the line with the waiting messages. Configuration Reference For more information, refer to: Administration Guide for Cisco Unified Communications Manager and IM and Presence Service and IM and Presence Service, Administration Overview chapter System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Audible Message Waiting Indicator chapter 25

Telephony Features Configure the ATA 191 Feature cbarge Description Allows a user to join a nonprivate call on a shared phone line. cbarge adds a user to a call and converts it into a conference, allowing the user and other parties to access conference features. Your ATA supports Barge on a conference bridge. Configuration Reference For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Barge chapter Call forward Allows users to redirect incoming calls to another number. Call forward options include Call Forward All, Call Forward Busy, and Call Forward No Answer. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Call Forwarding chapter Call pickup Allows users to redirect a call that is ringing on another phone within their pickup group to their phone. For more information, refer to: Feature Configuration Guide for Cisco Unified Communications Manager, Call Pickup chapter Call waiting Indicates (and allows users to answer) an incoming call that rings while on another call. Displays incoming call information on the phone screen. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter 26

Configure the ATA 191 Telephony Features Feature Caller ID Description Displays caller identification such as a phone number, name, or other descriptive text on the phone screen. Configuration Reference For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Administration Guide for Cisco Unified Communications Manager and IM and Presence Service and IM and Presence Service, Cisco Unified IP Phone Configurations. Conference Allows a user to talk simultaneously with multiple parties by calling each participant individually. Conference features include Adhoc Conference, cbarge, and Meet-Me. Allows a noninitiator in a standard (ad hoc) conference to add or remove participants. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Conferencing Features chapter Direct transfer Allows users to connect two calls to each other (without remaining on the line). For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Call Transfer chapter 27

Telephony Features Configure the ATA 191 Feature Forced authorization codes (FAC) Description Controls the types of calls that certain users can place. Configuration Reference For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Speed Dial and Abbreviated Dial chapter Group call pickup Allows a user to answer a call that is ringing on a directory number in another group. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Call Pickup chapter Hold/Resume Allows the user to move a connected call between an active state and a held state. Note No support for resuming a call from a shared line party. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Secure Tone chapter 28

Configure the ATA 191 Telephony Features Feature Meet Me conference Description Allows a user to host a Meet-Me conference in which other participants call a predetermined number at a scheduled time. Configuration Reference For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Meet-Me Conferencing chapter Message Waiting Defines directory numbers for message-waiting on and message-waiting off indicator. A directly connected voice-messaging system uses the specified directory number to set or to clear a message-waiting indication for a particular Cisco Unified IP Phone. For more information refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Audible Message Waiting Indicator chapter Music on hold Plays music while callers are on hold. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Music On Hold chapter 29

Telephony Features Configure the ATA 191 Feature Privacy Description Prevents users who share a line from adding themselves to a call. Configuration Reference For more information refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Privacy chapter Redial Shared line Allows users to call the most recently dialed phone number by pressing the *# feature code. Allows a user to have several devices that share the same phone number or allows a user to share a phone number with a coworker. Requires no configuration. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Manager Assistant chapter Speed dialing Allows users to speed dial a phone number by entering * and an assigned index code (1 to 199) on the phone keypad. Example: Press *199 to dial the phone number with index code 199. Users assign index codes on Line configuration from the Cisco Unified Communications Manager Device window. For more information, refer to: System Configuration Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter Feature Configuration Guide for Cisco Unified Communications Manager, Speed Dial and Abbreviated Dial chapter Time Zone Update Updates the device with time zone changes. For more information, refer to: System Guide for Cisco Unified Communications Manager, Configure Analog Telephone Adapters chapter 30