ISDN BRI Conference (National ISDN-1 and ETSI)
ISDN BRI Conference allows an ISDN BRI terminal user to bridge multiple parties into a
conversation. The user can:
• invoke Conference on a call
• add a new party to an existing call
• Call Join two separate parties on the terminal
• disconnect from the Conference
Perform an ISDN BRI Conference test
The same procedures can be used to test ISDN BRI NI-1 or ETSI Conference.
1. In the DSL configuration in LD 27, set PRID = 6 to select the National ISDN-1
protocol, or set PRID = 2 for the ETSI protocol.
2. In the TSP configuration in LD 27, define conference under FEATID:
FEATID aaa mmm <nnn>, where
aaa = A03 (3-party conference) or A06 (6-party conference) mmm = feature
activation ID (0 - 127) nnn = feature indication ID (0 - 127) (If nnn is not entered, it
is assumed to be the same as mmm)
3. Select National ISDN-1 or ETSI protocol on the ISDN BRI terminal if signaling type/
protocol is configurable.
4. On the ISDN BRI terminal, configure Conference. This procedure largely depends
on the implementation of feature key management on individual terminals. In
general:
a. The terminal provides Conference as a selectable feature to be
programmed on a hard/soft key. For example, on a soft key on an
M5317TDX, select FA to be FCC; on a hard key on an M5209TDcp,
select CONF.
b. The Conference key number selected on the terminal must correspond
to the feature activation ID entered for the TSP in LD 27.
5. Configure at least two DN appearances on the ISDN BRI terminal. On some ISDN
BRI terminals, the second DN appearance allows the user to initiate the second
call.
6. Place an outgoing call from the ISDN BRI terminal.
7. After the call is established, press the Conference key. The first call is put on hold
automatically; a second key is lit to allow the user to place the second call.
8. Place another outgoing call from the second key.
Testing ISDN BRI functions
86 ISDN Basic Rate Interface Installation and Commissioning March 2011
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