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New Member

FXS and MGCP transfer problem

We are having problem when transfering calls from analog to analog phone at the remote site. Please see the attached diagram. That phones are conected to a mini-PBX. The problems starting after we migrate the FXO from the PBX to the C2821 Cisco in order to have more lines to link the ISP. At that time we change from H323 to MGCP. Then when an analog try to tranfer one call no another analog, the original caller and the called get noise. The FXOs and FXSs are registered at the CallManager 6.1 cluster. Any help will be welcomed.

3 REPLIES
New Member

Re: FXS and MGCP transfer problem

I had a similar problem. Mine was down to the version of software (IOS). What version are you running?

New Member

Re: FXS and MGCP transfer problem

Hi Daniel,

The C2821 IOS version is 12.4(5b). Could you tell me how do you solve this issue?

Re: FXS and MGCP transfer problem

That's not exceptionally great gateway code. You may want to try 12.4(25) to see if this resolves the issue. MGCP had some pretty major problems around that code time.

-nick

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