The OLD topic of RTP / NAT etc.

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Joined: Tue Jul 03, 2012 4:56 pm

The OLD topic of RTP / NAT etc.

Post by rnio » Fri Jan 12, 2018 7:17 am

Hi Aaron,

hope all is well :)

My SETUP: Phone behind a NAT router (dd-wrt) / NO NAT / NO PROXY / Just 5060-5069 port forwarding

When I REGISTER / USE my sipsorcery account ... I don't get AUDIO ... when I register / use my CALLCENTRIC account everything works (NO other changes except SIP credentials).

Q. is WHY?! And what to do about this?

I can get it to work (audio) when I also forward the RTP port range. ... However with callcentric I do NOT need to do that.

Thanks in advance & have a great day,


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