Installation
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
Page
3-138
Station/Station (Station-to-Station) Ports for BRS Cards
Station/Station (Station-to-Station) Ports for BRS Cards
10.62 When the BRS ports are configured for Station/Station ports in the DB Programming,
the TEI is configured as follow:
• The TEI is set to Automatic in the system software, and the TEI option does not appear
in the DB Programming screen for the port.
• The TEI setting is non-programmable.
• The BRS ports only support a single connection to a device or a circuit.
• Each B-channel is assigned a TEI number during a call.
Trunk/Trunk (Trunk-to-Trunk) Ports for BRS Cards
10.63 When the BRS ports are configured for Trunk/Trunk ports in the DB Programming, the
TEI is configured as follow:
• The TEI is programmable and the default setting is set to Automatic. The system auto-
matically assigns a TEI once connected to an ISDN provider.
• The setting can be changed in the Trunk/Trunk port programming under the TEI set-
tings. The programmable settings for TEI are Fixed 0 through Fixed 63 and Automatic
(the automatic settings are 64 through 126).
• The BRS ports only support a single connection to a device or a circuit.
• Each B-channel is assigned a TEI number during a call.
NOTE: Local ISDN providers in Europe support a point-to-point connection, and the TEI uses
Fixed 0 from the Service Point [Local Exchange or ISDN provider] to the End Point (CPE, Cus-
tomer Provided Equipment). Therefore, it may require a change to the TEI setting from Auto-
matic to Fixed 0.
Single Interface-to-Multiple Devices
10.64 Multiple Devices on a Single Interface: (Supported) The Inter-Tel system can have
one or more ISDN circuit connected via a BRS, BRU, or PRI, then the various devices con-
nected to the Inter-Tel system can place Data calls and/or Voice calls on this one ISDN inter-
face or trunk port. The principal application remains the same if the incoming ISDN circuit is
connected to a BRS, BRU, or PRI card. The Inter-Tel system is an ISDN PBX managing the
multiple devices on a single ISDN connection. See Figure 3-72 through Figure 3-77 on the fol-
lowing pages for examples of Point-to-Multi-devices Setups.
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