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VOIP questions

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VNS1000

Technical User
Mar 20, 2002
95
GB
Looking to set up ip-network-regions without opening up 1000s of UDP ports for audio. How do I find out how many ports are really necessary for any one network region?

Also if I change it will it affect any calls in progress?

One last question is if phones shuffle to each other using same codec (ip-direct) do they use the same udp port range 2048-3028 to converse with each other?
Thanks
 
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