Hello! (in the previous posting I accidentally used HTML, sorry about that)
I tried to set up Blink as SIP phone on a public IP address, without a SIP proxy. Forwarded all needed ports, and then more. Also, all proper SRV records for my domain are set.
However, when trying to connect from a external SIP client (LinPhone on Android), I immediately receive the message “User hasn’t been found”. Logs (attached) show that Blink receives an INVITE request, then responds with 404 Not Found.
How I can set up Blink so it would accept such requests?I know this is highly non-standard, but this was the initial goal behind the SIP protocol, wasn’t it?
Thank you in advance! Piotr Różański
2022-07-07 10:05:07.001868 [blink 6353]: RECEIVED: Packet 1, +0:00:07.807114 31.61.163.76:15235 -(SIP over UDP)-> 192.168.0.87:5060 INVITE sip:[email protected] SIP/2.0 Via: SIP/2.0/UDP 10.88.232.5:39284;branch=z9hG4bK.tWHYegcM~;rport From: "IPFon" <sip:[email protected]>;tag=yyQK13zHP To: sip:[email protected] CSeq: 20 INVITE Call-ID: Fxn0m8EpA0 Max-Forwards: 70 Supported: replaces, outbound, gruu Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, PRACK, UPDATE Content-Type: application/sdp Content-Length: 523 Contact: <sip:[email protected]:15235;transport=udp>;q=0;expires=3600;+sip.instance="<urn:uuid:e84f2369-e1c0-0004-a7e6-ad55bc5a7fd4>" User-Agent: LinphoneAndroid/4.6.11 (G8441) LinphoneSDK/5.1.46 (tags/5.1.46^0) v=0 o=ptrdbiuro001 135 1373 IN IP4 10.88.232.5 s=Talk c=IN IP4 10.88.232.5 t=0 0 a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics m=audio 7078 RTP/AVP 96 97 98 0 8 18 99 100 101 a=rtpmap:96 opus/48000/2 a=fmtp:96 useinbandfec=1 a=rtpmap:97 speex/16000 a=fmtp:97 vbr=on a=rtpmap:98 speex/8000 a=fmtp:98 vbr=on a=fmtp:18 annexb=yes a=rtpmap:99 telephone-event/48000 a=rtpmap:100 telephone-event/16000 a=rtpmap:101 telephone-event/8000 a=rtcp-fb:* trr-int 1000 a=rtcp-fb:* ccm tmmbr -- 2022-07-07 10:05:07.087376 [blink 6353]: SENDING: Packet 2, +0:00:07.892622 192.168.0.87:5060 -(SIP over UDP)-> 31.61.163.76:15235 SIP/2.0 404 Not Found Via: SIP/2.0/UDP 10.88.232.5:39284;rport=15235;received=31.61.163.76;branch=z9hG4bK.tWHYegcM~ Call-ID: Fxn0m8EpA0 From: "IPFon" <sip:[email protected]>;tag=yyQK13zHP To: <sip:[email protected]>;tag=e1e5c317-da30-4fc9-ba8d-6625b9ce7d56 CSeq: 20 INVITE Server: Blink 5.2.0 (Linux) Content-Length: 0 -- 2022-07-07 10:05:07.087556 [blink 6353]: RECEIVED: Packet 3, +0:00:07.892802 31.61.163.76:15235 -(SIP over UDP)-> 192.168.0.87:5060 ACK sip:[email protected] SIP/2.0 Via: SIP/2.0/UDP 10.88.232.5:39284;branch=z9hG4bK.tWHYegcM~;rport Call-ID: Fxn0m8EpA0 From: "IPFon" <sip:[email protected]>;tag=yyQK13zHP To: <sip:[email protected]>;tag=e1e5c317-da30-4fc9-ba8d-6625b9ce7d56 Contact: <sip:[email protected]:15235;transport=udp>;q=0;expires=3600;+sip.instance="<urn:uuid:e84f2369-e1c0-0004-a7e6-ad55bc5a7fd4>" Max-Forwards: 70 CSeq: 20 ACK --
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