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2nd Revised Page 1 Cancels 1st Revised Page 1 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 A. GENERAL Individual Line Business IntelliLinQ BRI Service is an optional service arrangement for use with Individual Line Business Service. IntelliLinQ uses the Basic Rate Interface (BRI) arrangement of the Integrated Services Digital Network (ISDN). B. REGULATIONS 1. Explanation of Terms Basic Rate Interface (BRI) Arrangement IntelliLinQ BRI Arrangement provides ISDN capabilities from an ISDN equipped switch in the central office. The BRI Arrangement consists of two "B" channels and one "D" channel (2B+D) which are defined as: B Channel The B channel is a 64 kilobit per second (kbps) channel used for information transfer between users. The B channel may be used in conjunction with circuit-switched service. D Channel The D channel is a 16 kilobit per second packet-switched channel that carries signaling and control for the B channels and also supports customer packet traffic at speeds up to 9.6 kbps 1. Circuit Switching Circuit Switching is a switching technique in which an entire circuit or, in a digital switch equipped for ISDN, a specific selection of time slots is dedicated to a given call. Closed User Groups Allows the user to establish subnetworks within which the members of the Closed User Group can communicate. Each data terminal in a Closed User Group can be arranged in one of the following modes: a. Closed User Group with Outgoing Access The data terminal makes outgoing calls only. b. Closer User Group with Incoming Access The data terminal receives incoming calls only. 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

2nd Revised Page 2 Cancels 1st Revised Page 2 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 1. Explanation of Terms (Cont'd) Closed User Groups (Cont'd) c. Incoming Calls Barred within a Closed User Group The data terminal originates outgoing calls only to the data terminals in the Closed User Group with which it is associated. d. Outgoing Calls Barred within a Closed User Group The data terminal receives incoming calls only from the data terminals in the Closed User Group with which it is associated. e. Unrestricted Access The data terminal receives and originates both incoming and outgoing calls. D Packet IntelliLinQ BRI Access 1 D Packet IntelliLinQ BRI Access (OB+D) has no applications on the B channels and uses only the D channel of the ISDN architecture for providing packet-switched data 1. Electronic Key Feature Package The Electronic Key Feature Package incorporates all the Electronic Key Features in 5. following into one installation charge and one monthly rate. Featured Voice IntelliLinQ BRI Access Featured Voice IntelliLinQ BRI Access uses only one B channel of the ISDN architecture for providing voice access and includes the Electronic Key Features in 5. following. Integrated Services Digital Network Integrated Services Digital Network (ISDN) describes the end-to-end digital telecommunications network architecture which provides for the simultaneous access, transmission and switching of voice, data and image services. These functions are provided via channelized transport facilities over a limited number of standard user-network interfaces. The ISDN architecture consists of digital switching systems which connect Basic Rate Interface lines to their serving central office. 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

2nd Revised Page 3 Cancels 1st Revised Page 3 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 1. Explanation of Terms (Cont'd) IntelliLinQ Basic Rate Interface (BRI) IntelliLinQ BRI is an optional service arrangement which can be used in conjunction with a customer's Individual Line Business service. It uses the ISDN architecture to provide the customer with the capabilities of simultaneous access, transmission and switching of voice, data and image services via channelized transport. In addition, IntelliLinQ BRI provides the customer with the service capabilities and features described in 3., 5. and 6. following. Multiple Access IntelliLinQ BRI Multiple Access IntelliLinQ BRI utilizes both B channels of the ISDN architecture for either voice or circuit-switched data and also applies when only one B channel is utilized for circuit-switched data or alternate voice/data. Network Interfaces ISDN Basic Rate Interface is comprised of a limited set of standard user-network interfaces. The BRI customer premises equipment (CPE) located at the customer premises must be compatible with the network interface. This interface is defined as follows: A two-wire interface is the physical interface between a switch equipped with ISDN and the network termination (NT1). The NT1 is customer premises equipment which is necessary for terminating a telephone circuit or facility at the customer premises. Packet Data Feature Package The Packet Data Feature Package incorporates all the X.25 Packet Data Features shown in 6. following into one installation charge and one monthly rate. Packet Switching A switching technique in which packets of data are individually addressed and combined on a transmission path with other addressed packets. The maximum packet transmission rate for Basic Rate Interface is 9.6 kbps on the D-channel 1 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

2nd Revised Page 4 Cancels 1st Revised Page 4 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 1. Explanation of Terms (Cont'd) Secondary Directory Number An ISDN Secondary Directory Number (SDN) is a software defined number that is assigned to a station with an actual telephone number and provides the user the capability to originate and receive calls over the SDN. SDN calls utilize the same facilities as the primary directory number and originating calls assume the characteristics of the station that the SDN is assigned to. X.25 1 X.25 is the Consultative Committee on International Telephone and Telegraph's (CCITT) recommended and internationally accepted standard for connecting computers to packet switched networks. 2. Customers subscribing to Individual Line Business IntelliLinQ BRI must comply with ISDN Basic Rate Interface specifications as specified by the Telephone Company. 3. Service Capabilities Customers can configure Individual Line Business IntelliLinQ BRI using the following service capabilities: a. Featured voice on the B channel(s). b. Circuit-switched data on the B channel(s) at speeds up to 64 kbps. c. Packet-switched data on the D channel at speeds up to 9.6 kbps. 1 d. Alternating circuit-switched voice and circuit-switched data on the same B channel. 4. Conditions This service is offered subject to the following conditions: a. Existing local usage charges apply to circuit-switched voice calls and D channel packet-switched data calls. b. Circuit-switched data calls will be billed on a local usage-sensitive basis as specified in this tariff. Toll charges will apply when circuit-switched data calls are made outside of the Local Service Area. 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

1st Revised Page 5 Cancels Original Page 5 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 4. Conditions (Cont'd) c. Packet data calls and features will be billed the Public Data Network rates specified in the F.C.C.1 tariff. d. ISDN compatible terminal equipment is a requirement for operation. It is the customer's responsibility to power and obtain such equipment. e. ISDN charges are in addition to applicable rates and charges associated with Individual Line Business Service. f. This service is available only from offices which have the necessary facilities to provide ISDN on the standard ISDN network platform. In the event that a customer is served by a non-conforming office, the Telephone Company may, at its option, provide ISDN service from an alternate serving central office at no additional charge to the customer. Such provisioning may be elected where, in the discretion of the Telephone Company, service can be provided at a reasonable cost to the Telephone Company. The customer must accept the serving location assigned by the Telephone Company, and must agree to revert to service from the normal serving central office at such time as ISDN service is available in that office. If ISDN service is provided from an alternate serving central office, the customer will accept a number change to one associated with the alternate serving central office. The customer will also be subject to calling areas associated with the alternate serving central office as established in the Telephone Company s tariffs. When ISDN service is available from the customer's normal serving central office, the customer will revert to and accept a number change to one associated with the normal serving central office, and be subject to calling areas associated with the normal serving central office as specified in the Telephone Company s tariffs. If the customer does not wish to take service from the normal central office after such service becomes available, but continues to utilize service from the alternate serving central office, charges for foreign exchange and/or foreign central office service will apply as specified in the Telephone Company s tariffs. No charge will apply to transfer of this service back to the normal serving central office as set forth above. In addition, the customer's service location must be within the distance limitations determined during installation of the service in the sole judgement and discretion of the Telephone Company. When a customer requests ISDN service and requires the installation of additional facilities due to exceeding the distance limitation determined by the Telephone Company and where, in the judgement of the Telephone Company, it is practical to provide such facilities, the customer will be charged rates and charges based on the cost of providing the necessary additional facilities, in addition to the rates and charges specified in C. following. These charges for any additional facilities required will be computed on an individual case basis. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available for subscription. Moves, additions or changes to subscribers existing service will not be permitted.

1st Revised Page 5a Cancels Original Page 5a INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 4. Conditions (Cont'd) g. Electronic Key Feature and X.25 Packet Data Feature availability is dependent on the facilities providing the service. No credit is given on the package rate for features where facilities and appropriate digital technology are not available. h. Electronic Key Features and Packet Data Features may be selected individually or as feature packages on a per service basis. With the exception of Multiple Call Appearance and Shared Call Appearances for a Directory Number, rates and charges for Individual Line Business IntelliLinQ BRI service provide for single appearances of Electronic Key Features on the same channel. If the customer desires multiple appearances of the same electronic key feature, other than Multiple Call Appearance or Shared Call Appearances for a Directory Number, on the same channel, rates and charges as specified elsewhere in this tariff will apply for all appearances other than the first appearance. i. This tariff does not apply to the transmission of packet data on the B channel. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

1st Revised Page 6 Cancels Original Page 6 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 4. Conditions (Cont'd) j. Individual Line Business IntelliLinQ BRI service does not preclude the Individual Line Business customer from originating or receiving circuit-switched voice calls from inside or outside either his/her serving central office or his/her Local Service Area. Where facilities are available, the customer will be able to originate and receive circuit-switched data and packet-switched data calls outside of his/her serving central office. k. Calls identified as circuit-switched data will be billed at Circuit- Switched Data Usage rates even if the customer's equipment establishes the call as circuit-switched voice service and then transmits 56 kbps or 64 kbps circuit-switched data. 5. Electronic Key Features Electronic Key Features provides the customer with the ability to access the following features where available: a. Automatic Exclusion Automatically inhibits other stations from picking up a call on hold or bridging onto a call that is active at that station. This feature must be used in conjunction with Shared Call Appearances for a Directory Number. b. Call Pickup - Originating and Terminating c. Drop Allows a station user to answer any call within an associated preset pick-up group. If more than one line within the pickup group has an unanswered incoming call, the call to be answered is selected by the switching system. Allows the user to drop the last party added to a conference call. For a two-party call, this will terminate the call. This feature must be used in conjunction with three-way calling. d. Feature Function Button e. Hold Allows the user to assign certain features to a particular button on his/her ISDN set. When depressed the button will activate the assigned feature. Allows the user to place a call on hold. f. Individual Calling Line Identification Allows the user to have access to the directory number of the calling party. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

2nd Revised Page 7 Cancels 1st Revised Page 7 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 5. Electronic Key Features (Cont'd) g. Key System Coverage for Analog Lines Allows an ISDN set to provide call coverage for an analog set. h. Multiple Call Appearances of a Directory Number Allows the user to have more than one appearance of his/her directory number assigned to his/her set, providing the capability of multiple incoming or outgoing calls associated with that directory number. Multiple incoming calls to this directory number can be terminated to the telephone if idle call appearances are available to accept the calls. i. Outgoing Called Line Identification for ISDN Sets Provides a user originating a call with information about the called party and the facility or destination. j. Shared Call Appearances for a Directory Number Allows a directory number from one terminal to appear as a call appearance on the terminals of other users. k. Short Hunt Permits incoming calls to hunt over a set of directory number appearances in search of an idle directory number on which to terminate. 6. X.25 Packet Data Features 1 X.25 Packet Data Features provides the customer with the ability to access the following features where available: a. Fast Select 1 Allows a sending data terminal to forward up to 128 bytes of data along with the call setup and clearing packets. b. Fast Select Acceptance 1 Allows the switch to transmit incoming call packets with the fast select facility to a destination terminal that has this feature. 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

2nd Revised Page 8 Cancels 1st Revised Page 8 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 6. X.25 Packet Data Features (Cont'd) 1 c. Flow Control Parameter Negotiation 1 Permits negotiation on a per call basis of the flow control parameters. Automatically negotiates the maximum packet size and window size for each direction of data transmission. d. Hunt Groups 1 Allows a grouping of access lines such that an incoming packet-switched data call to the hunt group is completed if there is a logical channel on any of the access lines within the hunt group. The hunt group cannot span switches. e. Incoming Calls Barred 1 Prohibits a data terminal from receiving an incoming call. f. Non-Standard Default Packet Sizes 1 Allows the user to subscribe to a larger maximum packet size of 256 octets for each direction of communication than the default 128 octets normally provided. In order to have this capability, the user must also subscribe to the Flow Control Parameter Negotiation feature. g. Non-Standard Default Window Sizes 1 Allows the user to subscribe to values for outgoing and incoming window sizes which are different than the standard network default. In order to have this capability, the user must also subscribe to the Flow Control Parameter Negotiation feature. h. Outgoing Calls Barred 1 Prohibits a data terminal from originating outgoing calls. i. Throughput Class Negotiation 1 Allows the calling data terminal to request specific throughput classes in the call request packet for both directions of data transmission. 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

1st Revised Page 8A Cancels Original Page 8A INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 7. Virtual Office ISDN (VOI) a. Virtual Office ISDN (VOI) provides the following IntelliLinQ BRI services and features for a single monthly rate: Multiple Access IntelliLinQ BRI including the following system features: - Circuit-Switched Data on the B channel(s) - Alternate Circuit-Switched Voice and Data on the B channel(s) - Configuration Group Electronic Key Feature Package - the user has the option to order the other features within this package. The features below must be a part of this offering. - Three Call Appearances - Individual Calling Line Identification - Hold - Drop - Transfer - Conference - Call Forwarding Variable Unlimited Circuit-Switched Data Local Usage the user is not billed for Local Circuit-Switched Data usage. b. Conditions: Customer may have no more than two packages per premise. The total monthly rate applies whether or not all of the features in the package are activated. VOI is only available on classes of service that are measured services. Customer may purchase the package on a month-to-month basis or on a contract basis for two or three years. Minimum service requirement is one month for month-to-month. For contract rates, the minimum service requirement is determined by the contract. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

1st Revised Page 8B Cancels Original Page 8B INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 7. Virtual Office ISDN (VOI) (Cont d) b. Conditions: (Cont d) If a customer under a two-year contract terminates service during the first year of the contract, the customer will pay early termination charges. If the customer terminates service after the twelfth month of service, the customer will not pay termination charges. The customer must contact the Company prior to the end of the contract period in order to renew the contract for additional periods of time. The customer may renew for two or three years. If the customer does not renew before the end of the contract period, the rate will revert to the month-to-month rate. The customer under a three year contract must contact the Company prior to the end of the contract to renew the contract. The customer has the option to renew for two or three years. If the customer does not renew before the end of the contract, the rate will revert to the month-to-month rate. If the customer terminates service during the initial or any renewal period of the contract, early termination charges will apply. Early termination charges will be calculated by taking the difference between the month-to-month rate and the contract rate and multiplying by the number of months in service. All regulations and conditions for IntelliLinQ BRI service apply to this offering. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

1st Revised Page 9 Cancels Original Page 9 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 C. RATES 1. Application of Rates a. IntelliLinQ BRI Access (1) Service Capability Charges (a) Monthly Rate Monthly rates for Service Capabilities apply per Service Capability provided. (b) Installation Charge (2) Change Charge The Installation Charge applies per termination for the installation or the move of the IntelliLinQ BRI Access. The Change Charge applies per Individual Line Business IntelliLinQ BRI Service configuration for customer requested changes to or addition of call appearances, adding or changing features in an existing configuration group, and adding or changing IntelliLinQ BRI features. (3) Configuration Group Charge The Configuration Group Charge applies per configuration group established in excess of one group on the initial establishment of IntelliLinQ BRI and any configuration group requested after the initial establishment of service. 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

10th Revised Page 10 Cancels 9th Revised Page 10 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 4 C. RATES (Cont'd) 2. Rates and Charges Installation Charge Per Month USOC a. Change Charge... $ 1.75 - REA1B b. Configuration Group Charge, per group established in excess of one group on the initial IntelliLinQ BRI installation... 32.75 - REA1J c. Closed User Group, per group established... 62.00 - GXMPG per user assigned to a Closed User Group... 9.25 - GXW d. Secondary Directory Number, per number established... - $ 3.85 SXS e. D Packet IntelliLinQ BRI Access, per individual line 1... 34.50 16.71 (I) LSN4X D Channel Packet-Switched Data, per service provided. 2, 3... 14.75 6.40 LTG4X f. Featured Voice IntelliLinQ BRI Access, per individual line 1... 49.25 19.97 (I) ACBAA D Channel Packet-Switched Data, per service provided. 2, 3... 14.75 8.40 (I) LTG4X 1 IntelliLinQ BRI rates and charges are in addition to other applicable Individual Line Business service arrangement rates and charges as specified in the appropriate Telephone Company Tariffs. 2 Customers subscribing to D Channel Packet-Switched Data will also be billed for Public Data Network (PDN) service as specified in the F.C.C.1 Tariff. 3 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 4 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available for subscription. Moves, additions or changes to subscribers existing service will not be permitted. Issued: August 31, 2017 Effective: September 1, 2017

10th Revised Page 11 Cancels 9th Revised Page 11 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 C. RATES (Cont'd) 2. Rates and Charges (Cont'd) Installation Charge Per Month USOC g. Multiple Access IntelliLinQ BRI 1... $34.50 $16.71(I) LSN1X (1) Each Voice service, per service provided 1.50 5.99 LTG5X (2) Circuit-Switched Data service, per service provided... 1.50 5.99 LTG6X (3) Alternate Circuit-Switched Voice and Data service, per service provided 1.50 5.99 LTG1X (4) D Channel Packet-Switched Data, per service provided 2, 3... 14.75 6.40 LTG4X (5) Circuit-Switched Data Usage, per minute or fraction thereof, per B channel - 0.02 UMKX1 (6) Circuit-Switched Data Usage Volume Discount Options, per B channel Option Option 1 Option 2 Monthly Allowance 20 Hours per IntelliLinQ BRI Service - 16.83(I) UMKXA 140 Hours per IntelliLinQ BRI Service - 48.77(I) UMKXB Each minute, or fraction thereof, which exceeds the monthly allowance will be billed as follows: Option 1 - $.008 per minute Option 2 - $.004 per minute 1 IntelliLinQ BRI rates and charges are in addition to other applicable Individual Line Business service arrangement rates and charges as specified in the appropriate Telephone Company Tariffs. 2 Customers subscribing to D Channel Packet-Switched Data will also be billed for Public Data Network (PDN) service as specified in the F.C.C.1 Tariff. 3 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 4 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available Issued: August 31, 2017 Effective: September 1, 2017

2nd Revised Page 12 Cancels 1st Revised Page 12 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 1 C. RATES (Cont'd) 2. Rates and Charges (Cont'd) Installation Charge Per Month USOC h. Electronic Key Feature Package, per service provided... $13.50 $ 4.25 EFV1X i. Packet-Switched Data Feature Package, per service provided... 10.00 1.75 PF61X j. Electronic Key Features, each: (1) Automatic Exclusion... 1.75.25 NXB (2) Call Pickup... 1.75.25 NZH (3) Drop... 1.75.25 DR8PB (4) Feature Function Button... 1.75.25 NYEPK (5) Hold... 1.75.25 NXEPB (6) Individual Calling Line Identification... 1.75 9.50 NXN (7) Key System Coverage for Analog Lines... 1.75.50 NKA (8) Multiple Call Appearances of a Directory Number... 2.00.25 MVY (9) Outgoing Called Line Identification for ISDN Sets... 1.75.25 NXW (10) Shared Called Appearances for a Directory Number... 2.25.50 D07 (11) Short Hunt... 1.75.25 NHGPG 1 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available

10th Revised Page 13 Cancels 9th Revised Page 13 INDIVIDUAL LINE BUSINESS IntelliLinQ BRI SERVICE 2 C. RATES (Cont'd) 2. Rates and Charges (Cont'd) Installation Charge Per Month USOC k. X.25 Packet Data Features 1 (1) Fast Select, each 1... $ 1.75 $.25 GXD (2) Fast Select Acceptance, each 1... 1.75.25 GXE (3) Flow Control Parameter Negotiation, each 1... 1.75.25 GXG (4) Hunt Groups, per group 1... 1.75 1.75 HT5PG (5) Incoming Calls Barred, each 1... 1.75.25 GXJ (6) Non-Standard Default Packet Sizes, each 1... 1.75.25 GX3 (7) Non-Standard Default Window Sizes, each 1... 1.75.25 GX6 (8) Outgoing Calls Barred, each 1... 1.75.25 GXN (9) Throughput Class Negotiation, each 1... 1.75.25 GXV l. Virtual Office ISDN (VOI) (1) Month-to-Month... 100.00 88.70(I) (2) Optional Payment Plan(OPP) 24 months... 100.00 50.60 36 months... 75.00 48.40 1 Effective February 15, 2008, D Channel Packet-Switched Data service features associated with IntelliLinQ BRI Service are grandfathered and no longer available to new customers. Moves, additions or changes to subscribers existing service will not be permitted. 2 Effective May 18, 2013, Individual Line Business IntelliLinQ BRI Service is grandfathered in its entirety and is no longer available Issued: August 31, 2017 Effective: September 1, 2017