NEC Univerge SV8100 Features And Specifications Manual page 970

Issue 13.0
CO Line Service is not supported

ISDN – PRI cannot be configured for CO Emulation
B-Channel to Trunk Association

When an Incoming ISDN-BRI/PRI call is received, the system assigns the lowest trunk
number of the ISDN circuit to the incoming call associated with the B-Channel. When an
Outgoing call is placed using the ISDN-PRI/BRI, the system assigns the Trunk and
B-Channel association according to the chart below. This is based on the Trunk-to-Trunk
Group and Trunk Group Priority assignment in (Program 14-05-01).
Refer to the charts below for examples:
Incoming Call
Station User
Talking on TK009
Outgoing Call
2 - 936
Trunk B-Channel
Number Number
9 1
10 2
11 3
12 4
13 5
14 6
15 7
16 8
17 9
18 10
19 11
20 12
21 13
22 14
...31 ...23
Trunk Trunk
Number Group
9 1
10 1
UNIVERGE SV8100
Incoming call from the
Network on Channel 23. In most
cases, the Network will control/select
the B-Channel used for an incoming call.
Trunk B-Channel
Priority Number
9 1
8 2
ISDN Compatibility