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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-30Selecting Line/Trunk Options
3
PRI Service 3
Use these instructions only if the type of service on a 100D module is PRI.
Otherwise, skip to the next section, “Tie Trunks.”
NOTE:NOTE:NOTE:
For private PRI network trunks, see the “T1 Service” section earlier in this
chapter and the
Network Reference
. Do not use the PSTN PRI service.
PRI is a standard access arrangement of Integrated Services Digital Network
(ISDN) service that may be used to connect the system to another switch over a
DS1 facility.
This section contains instructions for recording decisions about the following
options for each PRI facility:
■ B-channel groups
■ PRI services (incoming and outgoing) according to B-channel group
■ Line Appearance Routing (incoming services)
■ Dial Plan Routing (incoming services; Hybrid/PBX mode only)
■ Outgoing Tables (Network Selection Table, Special Services Table, and
Call-by-Call Service Table)
■ Telephone Number to Send station identification or automatic numbering
information (SID-ANI) information
■ Test Telephone Number(s)
■ Timers and Counters
■ Terminal Equipment Identifier (TEI)
After completing the procedure for filling in the module information on Form 3b,
pages 1 and 2, continue to the next section to fill in PRI options.
NOTES:
1. The PRI service type must be selected before entering the PRI
information during system programming.
2. Because of the complexity of the timer, counter, and terminal equipment
identifier information, the factory settings should rarely be changed.
Incorrect settings can have an adverse affect on the operation of PRI
facilities.
3. If there is more than one 100D module set up for PRI service or you have
more than eight B-channel groups assigned to a module, make copies of
Form 3b (page 4) as necessary.