Phoner(Lite) Forum - RTP initially going to wrong address

11. Feb 2026 at 11:17

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RTP initially going to wrong address (Read 4340 times)

Perplexed24 YaBB Newbies Offline Phoner is great! Posts: 2 Joined: 18. May 2022	RTP initially going to wrong address 19. May 2022 at 14:19	Print Post
	Hi, I am using PhonerLite to call into a SIP server (x.x.x.55). The 200 OK response has an SDP pointing to a media server with address x.x.x.75 and rtpport. At the start of the call, PhonerLite sends RTP to the SIP server at x.x.x.55:rtpport. After a few seconds, it corrects itself and sends the RTP to x.x.x.75:rtpport as it should. The trigger for this switchover to the correct address looks to be an incoming RTCP sender report from x.x.x.75. Any ideas why PhonerLite would initially send RTP to the SIP server address instead of the media server address? The SDP in the 200 OK looks fine to me. Thanks, John


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Perplexed24 YaBB Newbies Offline Phoner is great! Posts: 2 Joined: 18. May 2022	Re: RTP initially going to wrong address Reply #1 - 19. May 2022 at 19:48	Print Post
	An update on this issue. The proxy address I'm calling when this RTP is bad (ie. my SIP server) is x.x.x.55:30060 (yes, I have a sip stack listening on port 30060). I just noticed that if I call into the SIP Server on port 5060, the RTP is correct. So, it seems PhonerLite has a problem when the SIP server is on a port other than 5060. Comments/thoughts?


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Phoner Admin YaBB Administrator Offline Posts: 11747 Location: Germany Joined: 12. Oct 2003 Gender:	Re: RTP initially going to wrong address Reply #2 - 20. May 2022 at 08:12	Print Post
	Do you really use the latest version of PhonerLite? If so, please send me the content of the debug window after such call. You can show/hide the debug window via help menu.


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