Outgoing calls takes time to hear the ringback

Unanswered Question
Dec 6th, 2007


i have 2811 that is connected via FXO to LO BOX, the problem is when i make a call, the Connect Message is displayed at IP Phone, and i must wait 15 seconds to hear RingBack.

I don't understand how is it.

Please help me to solve this problem.

Thanks at advance.

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Paolo Bevilacqua Thu, 12/06/2007 - 07:25


what are your destinatio-pattern configuration, and if variable-length (T is used), what is the interdigit timeout under telephony-service ?

dbenattou Thu, 12/06/2007 - 07:28

thanks for reply,

i don't have CCME, i have just call manager 4.1.and i don't configure any interdigit timeout into the router.

Paolo Bevilacqua Thu, 12/06/2007 - 07:48

Sorry, then unless you are using H.323 to the GW, any configuration must be done on the CM.

dbenattou Thu, 12/06/2007 - 09:03


yes, i'm using GW at CCM.

I don't know how can I resolve this problem.

Please help me.

allan.thomas Thu, 12/06/2007 - 14:32

What is the route-pattern that have you configured in CCM to route the call across the FXO?

In order to adjust the interdigit timeout from the default 15000msecs (15s), this is done under the CallManager service service parameters. Specifically the T302 timer.




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