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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Screen reference
745ISDN trunk group
17
Design Considerations
ISDN-BRI and ISDN-PRI interfaces cannot be mixed in the same trunk group.
Therefore, consider the following:
■ The earliest trunk member (the lowest numbered one) administered is
considered correct.
■ If an offending member is subsequently found (meaning the first member
was BRI and a later member was PRI, or vice versa), the cursor positions
on the offending member, and the following error message appears:
Cannot mix BRI and PRI ports in the same trunk group.
Field descriptions for page 1
Many of the fields on the following screens are described in ‘‘
Trunk Group’’ on
page 967. If a field on this screen is unique, it is listed and defined.
Screen 113. ISDN Trunk Group screen
The Calling Number – Delete, Insert, and Numbering Format fields are the
administrable fields for the Calling Line Identification Prefix feature. They appear
when the Direction field is incoming or two-way.
add trunk-group next Page 1 of x
TRUNK GROUP
Group Number: xxx Group Type: isdn CDR Reports: y
Group Name: OUTSIDE_CALL_______________ COR: 1_ TN: 1__ TAC: ____
Direction: two-way_ Outgoing Display? n Carrier Medium: PRI/BRI
Dial Access? n Busy Threshold: 99_ Night Service: ____
Queue Length: 0__
Service Type: ________________ Auth Code? n TestCall ITC: rest
Usage Alloc:_________________________Far End Test Line No: _______________
TestCall BCC: 4 TestCall Service: ______________
TRUNK PARAMETERS
Codeset to Send Display: 6 Codeset to Send TCM,Lookahead: 6
Max Message Size to Send: 260 Charge Advice: none_____________
Supplementary Service Protocol: a Digit Handling(in/out):overlap/overlap
Digit Treatment: insertion Digits: 1234
Trunk Hunt: cyclical QSIG Value-Added Lucent? n
Digital Loss Group: __
Calling Number - Delete: ___ Insert: _______________ Numbering Format: _______
Bit Rate: 1200_ Synchronization: async Duplex: full
Disconnect Supervision - In? y Out? n
Answer Supervision Timeout: 0__