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Timeout due to no Call_Proc from provider

Hi, my customer has a specific problem with one net provider when dialing mobile phones.

This provider does not send a call_proc after setup and

setup_ack.He directly sends alerting after about 4 sec.

Under normal conditions this works ok.

We get a problem in following scenario:

Hicom(internal)--E1--VoIP (CCM 3.3.2, MGCP GW)

The IP phone is rerouted to a mobile phone and a caller from the internal Hicom call the IP phone.

We get the alerting after about 4 sec from the net but it seems to be 'delayed' in the VoIP processing.

So the internal Hicom sends a Release_complete after 4sec.

We do not have this problem with providers who do send a call_proc.

Customer does not want to adjust the timeout in the Hicom as it is a global setting and we do not know the

overall effect.

The provider claims that he does not have to send a call_proc and that his alerting is in time.

Is there any chance to configure CCM that he 'spoofs' a call_proc towards the internal Hicom?

Or any other solution? Regards Guenther Seiler


Re: Timeout due to no Call_Proc from provider

I think this is a problem in the service provider in the switch side. Still you have to check with your service provider

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