Modem Dropping Connection After 30 mins

Unanswered Question
Jan 8th, 2008

Hi we have a customer using CM 6.0 with modems running over ATA's with an MGCP G/W.

They use the modems for remote access, however they drop their connection after 30 mins of being connected. This is dependant on whatever model of modem is used.

I have this problem too.
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pcameron Wed, 01/09/2008 - 05:37

Could be related to this -

Even though it talks about fax passthrough, this works the same as modem passthrough.

Also,if you use a T1 or E1 digital interface on your MGCP gateway, ensure you have 'network-clock-select 1 e1/t1 ...' configured to ensure correct synchronisation of the DSP's and to prevent clock slips as these will break modem/fax calls.


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