Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems

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Datasheet Telecom Software Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Media Processing Software for Building Cost-Effective IP Media Servers Introduction Intel NetStructure Host Media Processing (HMP) software performs media processing tasks on general-purpose servers based on Intel architecture without using specialized hardware. The software provides media services for building flexible, scalable, and cost-effective next-generation IP media servers. Intel NetStructure HMP is an Intel communications building-block technology. When installed on a system, the customer application sees an Intel Dialogic board with DM3 architecture, but all media processing occurs on the host processor. To help customers accelerate their time-to-market and migrate existing applications to IP, the software also supports two direct application programming interfaces (APIs): R4 for media processing and Global Call for call control. Intel NetStructure HMP uses a built-in network interface card (NIC) to provide IP connectivity. It supports the industry-standard H.323 and Session Initiation Protocol (SIP) protocols for call control, and call transfers using the H.450.2 supplementary services protocol. IP multicast support (transmit only) facilitates implementation of features like announcements and listen-only conferences with a large number of participants. Intel NetStructure HMP also supports RTP/RTSP protocols for media streaming over IP in the G.711, G.723.1, and G.729ab formats, using a standard Ethernet NIC for network connectivity. To help improve the quality of media streaming over the network, the software supports frame sizes of 10 ms, 20 ms, and 30 ms (for G.711), and features such as Quality of Service (QoS) threshold alarms and packet loss concealment. Other QoS features include the ability to detect and report timeouts in RTP and RTCP sessions to the application. Other important features include The ability to integrate any third-party call or connection control protocol stack The ability to programmatically control the volume of RTP sessions in order to improve the end-user experience Support for a variety of media processing functions such as Play with volume control Record with automatic gain control (AGC) Dual-tone multi-frequency (DTMF) User-defined tone detection and generation,

Datasheet Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Features Implemented as a software-only product with a variety of media processing configurations Provides support for computing platforms with Pentium III, Pentium 4, Pentium M, and Intel Xeon processors including dual-processor configurations in PCI and CompactPCI* form factors; scales up to 240 concurrent user sessions, with media processing, per system Uses built-in Ethernet card for network connectivity Compliant with the ITU H.323 and H.450.2 specifications and IETF SIP for call control IP multicast support (transmit only) Provides a mechanism for integration with any thirdparty call control or connection control over IP stack Support for streaming media over Real Time Transfer Protocol (RTP) using the G.711 (packet size of 10 ms, 20 ms, and 30 ms), G.723.a, G.729a, G.729b voice coders, as well as the H.245 and RFC 2833 DTMF packets in a fully transparent fashion Support for programmatic control of inbound RTP stream gain and outbound RTP stream volume Support for Global Call and R4 APIs Includes administration tools like configuration manager and SNMP software Supports voice record/play with AGC control and volume control in a variety of file formats including OKI ADPCM, linear A-law and µ-law PCM, and Wave Detects and generates standard inband DTMF and user-defined tones Benefits Minimizes investment, development, deployment, and operational costs Presents a choice of processing platforms on which to build cost-effective IP media servers Offers a choice of network configurations and speeds of 100 MB or 1 GB Ethernet Provides easy interoperability for call control with a wide range of gateways, gatekeepers, and other IP endpoints Enables large listen-only conferences, announcements, music on hold Lets developers use the call control stack of their choice Provides the interoperability needed for high-quality media streaming with a wide variety of industry-standard IP gateways and endpoints Enables developers to improve the end-user experience with a wide variety of IP phones and other endpoints Allows easy migration of existing applications by providing compatibility at the API level with other Intel communications products Integrates tools that help speed time-to-market and reduce total cost of ownership Enables the building of high-quality voice applications such as IVR and voice mail Lets developers use advanced call progress analysis and media processing functionality Conferencing features include coaching, active talker Facilitates development of advanced conferencing applications notification, tone clamping, echo cancellation, and scalability with a maximum of 120 parties per system QoS threshold alarms, packet loss reduction, Improves Quality of Service (QoS) and provides specifically minimized RTP/RTCP timeouts latency and high voice quality T.38 Fax termination support Enables building of unified messaging applications with fax support Support for Intel Dialogic Continuous Speech Use speech engines in the same fashion as with other Intel Processing technology communications products Applications IVR and announcements Voice mail and unified messaging server Conferencing server Speech-enabled media server applications 2

Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Datasheet including industry-standard RFC 2833 and H.245 user input indication (UII) mechanisms Support for outbound call progress analysis with positive voice detection and positive answering machine detection algorithms Support for continuous speech processing functionality with APIs fully compatible with other Intel Dialogic cards so Intel NetStructure HMP can integrate with automatic speech recognition (ASR) and text-to-speech (TTS) engines Ability to scale up to 240 concurrent user sessions with a mix of voice, speech, T.38 fax, and conferencing media processing resources per system, with about 50% of CPU remaining for use by an application Support for single and dual-cpu configurations with hyper-threading Flexible licensing runtime licenses can be created for any user-defined configuration within the product scalability limits In order to guarantee real-time media processing performance, Intel NetStructure HMP is implemented using the preemptive kernel option that is part of the 2.6 kernel. This option reduces the latency of the kernel when reacting to real-time or interactive events by allowing a low-priority process to be preempted even if it is in kernel mode executing a system call. The software is optimized to run on Pentium III, Pentium 4, Pentium M, and Intel Xeon processors. Since Intel NetStructure HMP is implemented as a softwareonly product, it can be installed and upgraded as easily as other software. The software is licensed using an industrystandard model in which the MAC address is used to nodelock the software to a particular computer. Intel NetStructure HMP can be licensed and deployed in any combination of call control and media processing channels, so customers can choose the combination of media processing resources they need. Locate the media processing channel modes you need and reference the Item Market Name when ordering. Note: Item Market Names are listed for standard ports and for high-density ports (HD), which are defined as configurations over 120 channels per server. Item Market Name Type of Resource Features DMIPS10C12L Conferencing Includes advanced features like coach/pupil mode, tone clamping DMIPS10C12LHD and active talker notification DMIPS10E12L Enhanced RTP Adds the capability of streaming voice over RTP using the G.723.1, DMIPS10E12LHD G.729a, and G.729b coders to the RTP G.711 resource. Add on top of the RTP G.711 resource. DMIPS10F12L T.38 Fax termination T.38 Fax termination (over UDP) DMIPS10F12LHD DMIPS10I12L IP call control Provides call control stacks for the H.323 with H.450.2 DMIPS10I12LHD supplementary services, and SIP protocols, with Global Call API support. Can only be used together with the RTP G.711 resource. DMIPS10R12L RTP G.711 Provides the capability of streaming digitized voice over RTP, DMIPS10R12LHD using the G.711 coder with 10 ms, 20 ms, or 30 ms frames. Required for each RTP session. DMIPS10S12L Speech integration Integrates Intel NetStructure HMP with speech engines for DMIPS10S12LHD ASR and TTS support by using the continuous speech processing APIs. Add on top of the voice resource. DMIPS10V12L Voice Play with volume control, record with AGC, DTMF, user-defined DMIPS10V12LHD tone detection and generation, including RFC 2833 and H.245 UII 3

Datasheet Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Figure 1: Intel NetStructure HMP in a Service Provider Environment Softswitch Application Server Distributed Deployment Media Gateway IP Wide Area Network IP Media Server (media only, requires remote control interface) HMP IP Media Server (Application, Media) HMP Local Deployment Endpoints: PSTN,wireless, IP Intel NetStructure Host Media Processing software Configurations Sample configurations for IP media servers developed with Intel NetStructure HMP include network announcements, interactive voice response (IVR), voice mail, and conferencing servers. An IP media server is always the endpoint that terminates an IP connection in the network. Depending on the customer environment (service provider or enterprise), the IP media server can be deployed in a number of ways. The following figures illustrate typical deployment environments. Service Provider Configuration Figure 1 illustrates how an IP media server based on Intel NetStructure HMP can be deployed in a typical service provider environment for IVR, announcements, voice mail/messaging, speech, or conferencing applications. An IP-PSTN gateway terminates PSTN connections. A softswitch manages all aspects of call establishment and teardown over IP. Once the call is established, an RTP connection is created between the IP media server and an endpoint. The softswitch tells the media server, IP endpoints, and IP-PSTN gateway when to establish or drop connections. IP media servers are deployed according to two main models. Local The application resides in the media server and controls the media processing functionality of Intel NetStructure HMP via direct APIs such as R4 and Global Call. Remote The application server controls the IP media server via remote interfaces, which can be implemented using standard protocols such as SIP or HTTP and a scripting environment such as VoiceXML. As Figure 1 shows, the customer must implement the remote control interface on top of the direct APIs because Intel NetStructure HMP does not provide such an interface. Service providers often use remote deployment because scalability and availability can be easily increased by adding more servers. Remote deployments also work better in the hosted environments frequently used by service providers. However, remote deployments do have drawbacks: they are more complex and additional layers of software must be deployed to provide the remote interfaces needed to control media servers. 4

Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Datasheet Figure 2: Intel NetStructure HMP in an Enterprise Environment IP WAN PSTN Legacy PBX IP PBX HMP Converged PBX HMP PSTN Media Gateway Media Gateway (PBX-IP media gateway ) Corporate LAN IP Media Server (Application, Call Control, Media) HMP Intel NetStructure Host Media Processing software Intel NetStructure PBX-IP media gateway Enterprise Configuration Figure 2 shows how an IP media server with Intel NetStructure HMP can be deployed in an enterprise environment for IVR, auto attendant, voice mail, unified messaging, speech, or conferencing services. Although many legacy private branch exchanges (PBXs) are currently connected to the circuit network, new types of PBXs are evolving. Converged PBXs which are connected to both circuit and packet networks IP PBXs which are connected only to the packet networks Inside the enterprise, several configurations are possible. Legacy PBXs are connected to traditional stations using analog or digital interfaces, or to the corporate intranet through gateways such as the Intel NetStructure PBX-IP Media Gateway Converged PBXs are connected to both traditional stations and the intranet IP PBXs are connected to the intranet only IP stations and IP media servers are connected to the intranet The corporate intranet can also be connected to the PSTN via PSTN-IP media gateways. The increasing use of Voice over Internet Protocol (VoIP) in the enterprise has created a growing need for IP media servers. In the enterprise environment, applications are typically deployed locally; that is, on the same computer as the IP media server because such a configuration is easier to create and maintain. However, remote deployment can also be used. Software Support Intel NetStructure HMP is a standalone product. It requires only the Linux* operating system to function. Functional Description Figure 3 shows the block diagram for Intel NetStructure HMP. Intel NetStructure HMP is built in the same way as an Intel Dialogic board with DM3 architecture, but without any specialized hardware components. The application deployed on top of Intel NetStructure HMP is written to the same R4 and Global Call APIs that are used for Intel Dialogic boards with DM3 architecture. In fact, for an application there is no noticeable difference between using an Intel Dialogic board with DM3 architecture or Intel NetStructure HMP. 5

Datasheet Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Figure 3: Intel NetStructure HMP Block Diagram Application Global Call API Third-Party Call Control API (Not Provided) IP Media API (ipm_) R4 Media API (dx_play) Call Control Stack (H.323, SIP) Third-Party Call Control Stack (Not Provided) R4 Libraries HMP Drivers HMP Resource Framework Built-In Network Interface Card (NIC) Intel NetStructure Host Media Processing software For media processing, the application will use the R4 media API. For call control, there are two options. 1. The H.323 or SIP stacks, distributed as part of the Intel NetStructure HMP product and the Global Call API, simplifies development and helps in the migration of existing applications 2. A third-party call or connection control protocol stack (SIP, MGCP) and the IP media library provides the functionality necessary to integrate the third-party call control stack with R4 media APIs The Intel NetStructure HMP APIs are enabled through the same libraries and drivers as Intel Dialogic boards with DM3 architecture. The drivers sit on top of the Intel NetStructure HMP resource framework, the core of the product. The framework implements media processing algorithms such as DTMF detection and generation, media stream mixing, etc. The algorithms, in turn, are aggregated into resources (such as player and recorder) in the same way they are on Intel Dialogic boards with DM3 architecture The call control stacks and the resource framework sit on top of the standard network drivers and the NIC that are built into the computer. 6

Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Datasheet Technical Specifications Network Interface IP over a standard Ethernet connection Call Control over IP Call control protocol H.323 H.450.2 SIP Integration with third-party call and Provided via the IP media library connection control stacks Media Streaming over IP Protocol RTP Encoding formats: G.711 A-law, µ-law 8-bit 8K (64 Kb/s); frame sizes 10 ms, 20 ms, and 30 ms G.723.1 G.729a G.729b QoS Alarms Frames per packet control Packet loss concealment RTP/RTCP timeouts Tone generation and detection RFC 2833 H.245 UII Media control over RTP Programmatic control of inbound RTP stream gain and outbound RTP stream volume API Support Call control Voice processing Virtual CT Bus routing Conferencing Fax Continuous speech processing IP media (QoS, etc.) Event reporting, device enumeration, Global Call over H.323, SIP, H.450.2 Third-party stack integrated via IP Media Library R4 voice (dx_) R4 routing (sc_) R4 conferencing (dcb_) R4 fax (fx_) R4 EC (ec_) R4 IPML (ipm_) R4 SRL (sr_) and other related functionality Channel Density 240 concurrent user sessions with a combination of RTP streaming, voice, fax, speech, and conferencing resources per system Voice Processing Features Features supported Play Record Play, record, and tone generation and detection Volume control and index play AGC 7

Datasheet Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Technical Specifications (cont.) Voice Processing Features (cont.) Audio file formats for play/record Tone generation and detection OKI ADPCM 24 K, 32 K G.711 A-law, µ-law 48 K, 64 K All of the above in Wave format Linear PCM 8b 11 K (Wave format only) Linear PCM 8b 8K G.726 Inband DTMF generation and detection User-defined global tone generation and detection (GTG, GTD) RFC 2833 tone generation and detection H.245 UII tone generation and detection Conferencing Features Total parties per server 240 Advanced features N-way summing Coach/pupil mode DTMF detection DTMF clamping Active talker notification DTMF Tone Detection DTMF digits 0 to 9, *, #, A, B, C, D per Bellcore LSSGR Sec. 6 Dynamic range T-1: -36 dbm to +3 dbm per tone, configurable by parameter** E-1: -39 dbm to 0 dbm per tone, configurable by parameter** Minimum tone duration 32 ms, can be increased with software configuration Interdigit timing Like digits: Detects with a >45 ms interdigit delay Different digits: Detects with a 0 ms interdigit delay Acceptable twist and frequency variation T-1: Meets Bellcore LSSGR Sec 6 and EIA 464 requirements E-1: Meets ITU-T Q.23 recommendations** Noise tolerance Meets Bellcore LSSGR Sec 6 and EIA 464 requirements for Gaussian, impulse, and power line noise tolerance Cut-through T-1: Local echo cancellation permits 100% detection with a >4.5 db return loss line E-1: Digital trunks use separate transmit and receive paths to network. Performance dependent on far-end handset's match to local analog loop. Talk off Detects less than 10 digits while monitoring Bellcore TR-TSY-000763 standard speech tapes. (LSSGR requirements specify detecting no more than 470 total digits.) Detects 0 digits while monitoring MITEL speech tape #CM 7291. Interoperability with Other Equipment over IP Media gateways Intel NetStructure PBX-IP Media Gateway Elite Gateway* Cisco* 5300 Mediatrix* 1204 8

Intel NetStructure Host Media Processing Software Release 1.2 for Linux Operating Systems Datasheet Technical Specifications (cont.) Interoperability with Other Equipment over IP (cont.) IP endpoints IP boards Polycom SoundPoint* series phones Siemens OmniPoint* 400 Microsoft NetMeeting* client Grandstream BudgetTone* 1xx series SIP phones Intel NetStructure DM/IP IP boards Intel NetStructure IPT6720C IP board (Note: Boards must be installed in a different computer.) Licensing Enabling method Node-locked using MAC address of the built-in Ethernet NIC Hardware System Requirements Memory Requirements 512 MB minimum, 1 GB recommended System Requirements Single- or dual-processor PCI platform with an Ethernet NIC (Note: 100BaseT is recommended.). Processors Supported Pentium III, Pentium 4, Pentium M, and Intel Xeon processors Intel NetStructure HMP r1.2 provides a very high level of flexibility in choosing media processing configurations, making it impossible to list all the available combinations of media processing resources. The following table references media processing configurations and required processing platforms as an illustration. Please contact your authorized Intel distributor to configure your system and get detailed system information specific to your configuration. In all cases, at least 50% of the CPU can be used by the application. Solution G.723/ Recommended RTP Full Voice Speech T.38 Conferencing Configuration 729 Processor(s) Speed IVR/VM 240 240 0 0 0 0 Dual Xeon 2.4 GHz IVR/VM 200 200 100 14 0 0 Dual Xeon 2.4 GHz UM 60 60 60 6 60 12 Pentium 4 3.1 GHz UM 96 96 96 8 24 60 Dual Xeon 3.1 GHz VP 200 200 200 0 0 0 Dual Xeon 3.1 GHz VP 96 96 96 0 0 60 Dual Xeon 2.8 GHz Conf Server 100 60 0 0 100 60 Dual Xeon 2.8 GHz Conf Server 240 100 0 0 240 0 Dual Xeon 3.1 GHz Operating System Requirements Red Hat* Enterprise Linux 3 (AS/ES/WS 3 Update 1 or 3) SUSE* LINUX Professional 9.2 Note: When using Red Hat Enterprise Linux 3, the original kernel must be updated with the 2.6 kernel. Intel provides this kernel both as source and in a variety of pre-built RPM kernels. SUSE LINUX has an appropriate kernel, but requires configuration changes for which Intel provides a script. You will find complete details on the Intel NetStructure HMP for Linux download page, which is accessible from the index page for obtaining and licensing all versions of Intel NetStructure HMP at http://www.intel.com/network/csp/products/hmp/8399web.htm. 9

www.intel.com/go/telecom 1515 Route Ten Parsippany, NJ 07054 Phone: 1-973-993-3000 INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or in nuclear facility applications. Intel may make changes to specifications, product descriptions, and plans at any time, without notice Intel, Intel Dialogic, Intel NetStructure, Pentium, Xeon, and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. *Other names and brands may be claimed as the property of others. ** Configurable to meet country-specific PTT requirements. Actual specification may vary from country to country for approved products. Printed in the USA Copyright 2006 Intel Corporation All rights reserved. C Printed on recycled paper. 02/06 00-9323-002