Mitchell
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- Oct 2, 2014
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I'm hoping you all can help. I have several Aastra phones, 6755i and 6757i phones that I'm trying to connect to my system from outside the LAN. I can get one way audio to the phone, but not back to the PBX. I even have one phone that registers; but get's no audio at all in either direction. I've forwarded all the ports seen in the threads; but to no avail. I have recently noticed a setting in my phone's network settings page labeled NAT SIP Port, and NAT RTP Port. Do you know if these are ports that I'd need to also forward to my PIAF-Green server?
BTW, the port numbers on the phone that are listed are: 51620 and 51720 respectively.
Any help you all can lend would be greatly appreciated.
BTW, the port numbers on the phone that are listed are: 51620 and 51720 respectively.
Any help you all can lend would be greatly appreciated.