Appendices

Turn these features OFF: Packet Mode Data MultiLine Hunt

Multiple Call Appearances

EKTS (Electronic Key Telephone Sets) Shared Directory Numbers

Accept Special Type of Number Intercom Groups

Modem Pools (Network Resource Selector) Message Waiting

Hunting

InterLATA Competition

5b. Northern Telecom DMS-100: request a point-to-multipoint line with:

Line Type: Basic Rate, Functional

Electronic Key Telephone Sets (EKTS): No

Call Appearance Handling (CACH): No

Non-Initializing Terminal: No

Circuit Switched Service: Yes

Packet Switched Service: No

TEI: Dynamic

Bearer Service: Circuit Switched Voice and Data Permitted on Any B Channel (Packet Mode Data not permitted)

6.Select a long distance carrier; note here:________________________

7.Contact the selected long distance carrier and request Circuit-Switched 64K bps Clear Channel Access (if available).

8.Request that the telephone company provide ISDN TA configuring information (record here):

•ISDN Switch Type: ____________________

•ISDN Switch Protocol Version: ___________

•ISDN Phone Number 1: __________________

•ISDN Phone Number 2: ______________ (if 2B+D ordered)

•ISDN Line Type: ___________________ (point-to-point or multipoint)

•If MultiPoint, SPID Number 1: ______________ (with prefix and suffix)

•If MultiPoint, SPID Number 2: ______________ (with prefix and suffix)

9. If you will be using standard 5ESS or DMS-100, your protocol selection is complete. Fax the information in steps 1-8 to your phone company. If you will be using 5ESS "Custom" or DMS-100 "Pvc1" protocol support, continue with step 10a (5ESS Custom) or step 10b ( DMS-100 Pvc1).

10a. 5ESS Custom Line Additional Parameters

The AT&T 5ESS central office telephone switch supports a proprietary ISDN D-channel call control protocol called "Custom" which is based on CCITT recommendations. The ISDN TA configured for switch type AT&T 5ESS will work with lines providing this protocol on 5ESS switches with software version 5E6 or later.

The ISDN TA supports the following configurations on 5ESS Custom lines:

•Point-to-Point with one phone number (recommended configuration with no POTS interface)

•Multipoint with one phone number

•Multipoint with two phone numbers (recommended configuration with POTS interface)

MTA128ST/NT

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