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nhoague

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I hope someone can help me!

We are trying to use Operator externally. We have Operator with its own PUBLIC IP. We are trying to register SIP phones from different networks, with NAT. I am testing with Xlite but cannot get a registration. Internally, all works great, phones register and 2way calls are good.

In the debug logs we get error SIP 401 unauthorized. I have checked all usernames and passwords. No packets are being lost in firewall logs and operator sees a connection trying to be made. Actually Operator also sees the "private" IP of the xlite which is trying to register.

Any ideas?!

Thanks!
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nhoague

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OK i feel like an idiot. After hours and hours of testing I called my ISP. They block port 5060 because they are also a VoIP provider. So I tried using a service such as sippp.com, and voila, I could connect to my Operator from external!

So question arises, is it possible to change listening port from 5060 to anything else? I understand I would have to change my configs, but im ok with that.
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nhoague

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Ok this still doesnt work. I can register, BUT I can not have audio. One way audio outbound is all that works. Incoming calls dont ring or when they do, it is mute.

Does anyone have a solution for connecting to Operator from outside the network? Remember, Operator has a public IP.
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Vladimir Toncar (Kerio)

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Hi,

Try to set your phone to symetric RTP. That way, the phone will use the same UDP port number to both send and receive audio streams. For example, in Linksys configuration, you need to go to SIP - Advanced, and send Symetric RTP to "yes".

Vladimir
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