[cisco-voip] Calls over trunk drop after 5:18 min

[Mike King]

If it's an ASA, you might want to disable traffic inspection for H323, just
to narrow down your field of view.

I recently upgraded an ASA from 8.0.2 to 8.2.4, and my H323 gateways stopped
making outbound calls, but could receive inbound calls fine.  Disabled H323
inspection, and the calls went out fine.


Mike

On Tue, May 24, 2011 at 11:38 AM, Ratko Dodevski <rade239 at gmail.com> wrote:

> Yes Wes, I have Cisco ASA between sites but I've already set the H323 timer
> on the ASA to 3:00:00. And yes this is case only for calls that traverse
> over trunks aka via the ASA firewall which was recently upgraded with new
> IOS and installed an IPS module. Any suggestions, please...
>
> Regards
>
>
> On Tue, May 24, 2011 at 4:27 PM, Wes Sisk <wsisk at cisco.com> wrote:
>
>>  "temp fail" on your CIPC means CM has lost call signaling communication
>> with the remote device. This coincides with the concerns about a firewall or
>> other device aborting the control session.
>>
>> What is the topology between CM, firewall, and remote device?
>>
>> Keepalives for H323 should, generally, be set to true.  That sends
>> keepalives on the socket to keep firewall from timing out the session.
>>
>> Regards,
>> Wes
>>
>>
>> On 5/24/2011 8:45 AM, Ratko Dodevski wrote:
>>
>> I've tried setting the h323 timer to 3:00:00 and setting the "Allow Peer
>> to Preserve H.323 Calls"  parameter to true and setting "Allow TCP
>> KeepAlives For H323" to false but it's almost the same. At almost the same
>> time I loose audio (call is still connected) and get "Temp Fail" message on
>> the screen on my IP Comunnicator.
>>
>>
>
>
> --
> Ratko
>
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