Issue 5.0 UNIVERGE SV8100
1 - 616 ISDN Compatibility
If a data link error is detected by the BRI ETU, the system tries to recover the data link and
send the SPID to the central office. To provide this enhancement, the BRI ETU must be
able to indicate to the system when a data link error has occurred.
In addition to the BRI Interface ETU, BRI Services require the installation of NT1 Network
Terminators and interconnecting cabling.
CO Line Service is not supported.
ISDN–BRI cannot be configured for CO Emulation.
BRI and DID Callers with Non-Matching SPID Numbers
This feature allows you to determine whether the system checks the called party number
with the SETUP message and the SPID setup. Depending on the system programming,
this can allow DID calls to be received on BRI trunks and direct them according to the DID
Translation Table (Program 22-11).
Special Conditions Related to Ordering DID Service For ISDN-BRI
Telcos may refer to this in different ways. The reference Verizon uses to order such service
is Additional Directory Numbers with no new terminating equipment (only a dialable
number). When you want Additional Directory Numbers to hunt when a B-Channel is busy,
the service may be called Busy Diversion.
Calling Party Number (CPN) presentation from station is available for virtual extensions.
Default Setting
None
System Availability
Terminals
Not Applicable
Required Component(s)
To provide ISDN-PRI trunk connection:
CD-PRTA
To provide ISDN-BRI trunk connection:
CD-2BRIA or CD-2BRIA with PZ-2BRIA
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