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CUCM over ip wan

My setup is having cucm in HQ and voice gateway in remote site

Now, i need to know if how much bandwidth does it traverse to my ip wan when there is no activity in all phones at remote sites?

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VIP Super Bronze

CUCM over ip wan

I am not sure that something to worry about because the only thing that will go over the WAN when there is no traffic (calls) will be signalling traffic. If you are using h323 gateway or sip, this is even more negligible as compared to MGCP.

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