Quote:
Originally Posted by majo
Which is RTP port range?
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Typically this is a setting under user control in the ATA. I am not familiar with the Fritzbox so I can't give specifics about it.
Quote:
Originally Posted by majo
I don't think that with STUN setting one need any sort of port forwarding.
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That is true. If you use STUN and NAT-keep-alive packets you won't need to forward any ports. I recommend a 179 second interval between NAT-keep-alive packets. It depends on your router. Most routers are fine with 179 or 299 seconds. Rarely one might have to drop that down to 119 seconds.
Normally, registration to the proxy should be done every 3600 seconds. Some people use frequent registration (like every 3 minutes) as a substitute for NAT-keep-alive packets. That's probably a bad method because it creates unnecessary work for the proxy.