[asterisk-users] SIP - no audio behind nat problem

[Zarko Zivanovic]

Hello,

 

We have 2 grandstream GX 2000 phones behind NAT and Asterisk outside this
natted network.

We have the issue with calls to these SIP phones - no audio.

 

It is probably the problem with port forwarding on router - but I am not
sure how can I forward same sip ports (5004 to 5100) to two phones (nat
addresses?)?

 

Any help appreciated!

 

Z. Zivanovic

 

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