[Asterisk-Users] PRI channel hangs after BUSY

[Anthony Cennami]

I have an odd problem between a Nortel BCM and Asterisk (1.2.4) Zaptel (
1.2.3).

Calls all appear to be working fine, however, when someone originates a call
from the PBX and the Switch returns a 486 (Busy) the PRI channel hangs in a
busy state indefinitely.  Subsequent to this, the PBX side shows the
channels as IDLE and apparently attempts to route calls to the siezed/BUSY
channels.

Normal calls (those that are successful and subsequently hungup) appear to
function normally.  It's only when the number is BUSY that a hangup is not
detected on the PRI.

Any suggestions would be greatly appreciated.

-----zapata.conf
[trunkgroups]


[channels]
context=from-pbx
signalling=pri_net
switchtype=national
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=no
canpark=no
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
busydetect=yes
overlapdial=yes
channel => 1-23



--
Anthony D Cennami
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