Hi,
I've a curious problem at one site -
If someone calls a number that is busy, they do not HEAR the busy tone,
all they receive is dead air and then the phone hangs up.
The environment - Asterisk 1.2.24, Partial PRI using Sangoma A102d and
Aastra 53i phones.
The PRI provider appears to be passing the correct signal to Asterisk
(hangup request, cause 17) and I getthe message that the Zap channel is
busy (see below)
Mar 24 15:21:12 VERBOSE[6661] logger.c: -- Zap/2-1 is proceeding
passing it to SIP/129-b7300dc8
Mar 24 15:21:13 VERBOSE[21138] logger.c: -- Channel 0/2, span 1 got
hangup request, cause 17
Mar 24 15:21:13 VERBOSE[6661] logger.c: -- Zap/2-1 is busy
...
What mechanism is used to pass the busy signal back to the phone? Is it
an audio signal, is it SIP signaling?
Anyone have any suggestions in resolving this?
Thanks
Martin
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