Ok folks, I have a weird one for you.
I have a Cisco 3845 (12.4.5-IPSERVICES) with 8 E&M ports
installed.
Each E&M port is setup for a trunk connection to a
MeetMe conference
number at our main location. This works perfectly, except
that during a
WAN outage, the trunk calls never go back into
"pending" state even
though the conference is unreachable. I have actually
disconnected the
3845 for 48 hours (in a test lab, of course) and the calls
showed to be
"S_TRUNKED" the entire time. This is a problem
because the endpoint of
these VoIP trunk calls are DSPs in a WS-SVC-CMM that will
timeout after
two hours of RTP inactivity (two hours is the maximum
value). After the
DSPs timeout and WAN connectivity is reestablished, the call
will
reconnect to the conference bridge but it will never
renegotiate DSP
resources unless the E&M interfaces are manually
shutdown and the
conference is deleted.
I have tried various combinations of RTP timeout values on
the 3845
router and nothing seems to make those calls die when the
WAN connection
is severed.
Any ideas?
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