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Ports required on the firewall for communication with CCM

I have CCM 3.3 and a network which is behind the firewall. i would like to deploy VoIP phones which will regider to this CCM.

Can you let me know what all ports i need to open on the firewall to allow VoIP calls from the network

Attached network diagram

Narayan

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Re: Ports required on the firewall for communication with CCM

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