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System Features
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
Basic Rate Interface (BRI) Trunks
FEATURES
5
5. Create a trunk group that contains the E&M trunk(s) and program it to ring in to the
Call Routing Table created above. See page 6-228 (Trunk Groups) in PROGRAM-
MING.
6. Program the individual trunks. See page 6-244 (Individual Trunk Programming) in
PROGRAMMING. For E&M Trunk programming instructions. If marked for DID ser-
vice, program the numbers to match the Call Routing Table created above.
F. BASIC RATE INTERFACE (BRI) TRUNKS
NOTE: This requires the Advanced CO Interfaces software license and a BRS or BRU card.
10.51 ISDN BRI trunks enable the system to connect to video, voice, and data devices such as
video conference units, ISDN modems, LAN bridges, and ISDN telephones. The BRI cards
provide a cost-effective alternative to PRI for large and small systems requiring ISDN services.
10.52 BRI trunks provide the following basic rate features:
• Support BRI stations that connect to data/video devices behind the PBX via BRS card
with an S interface and a BRU card with a U interface.
• Support BRI trunks that connect to the network via BRS cards with an NT1 device.
• Support data/video switching from behind the PBX out any U interface trunk (e.g., PRI
trunk and BRI trunk) to the public network.
10.53 BRI stations operate like other stations with the following exceptions:
• BRI station ports do not support passive bus configuration (one ISDN device per BRS
port)
• A BRI station does not have the ability to perform features while connected on a call
that require a hookswitch or SPCL button, including Individual Hold, System Hold,
Transfer, Record-A-Call, and Conference.
• The BRI station cannot have a mailbox, but can have an extension ID
• A message cannot be left for a BRI station.
• Centrex options are not supported behind the BRS or BRU card.
• Caller ID [CLIP] information does not include the caller’s name (i.e., only the caller’s
number is available).
10.54 A BRI station cannot place a call on both B-channel stations with a single setup mes-
sage. The bonding must be performed outside the D-channel signaling. In other words, a video
conference unit or data device must place two separate calls and perform the bonding at the
external device level. The routing user information provided on the D-channel at this time is
call setup and call termination messages only.
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