Noise on SIP on hold user

Unanswered Question
Jun 30th, 2009
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I am using CME on cisco 3745

Call is working fine between cisco phone in my LAN

I am also using GSM Ip gateway for outgoing and incoming GSM call

All GSM incomming call are forwaded to the stadard user, and this user tranfer the call to the appropriate internal user. But during this transfer, outsite user who is making call from GSm network have a noise

Please how to resolv this noise problem

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r-simpson Tue, 07/07/2009 - 19:05
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Is it a constant noise? Can you hear it for every call? Have you tried to configure "compand-type a-law" on your voice interface?


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