Hi community! I have simple question on B - leg I`m getting 180 with SDP: SIP/2.0 180 Ringing Via: SIP/2.0/UDP 77.120.xxx.xxx;received=77.120.xxx.xxx;branch=z9hG4bKQQD0rvjpZecrB;rport=5060 From: "380XX555555" <sip:380XX555555@77.120.xxx.xxx>;tag=ym07v0XXr79ZQ To: <sip:0XX444444@62.221.xxx.xxx>;tag=d68e8a0 Call-ID: 5913dfbf-dbf1-1234-cfb6-002590773bfa CSeq: 95208960 INVITE Server: VegaTelecom Supported: timer,100rel Contact: <sip:0XX444444@62.221.xxx.xxx :5060;vtservice=b2buaservlet.siptosip;transport=udp> Content-Type: application/sdp Content-Length: 284 v=0 o=MG4000|2.0 323258 331209 IN IP4 62.221.xxx.xxx s=- c=IN IP4 62.221.xxx.xxx t=0 0 m=audio 48910 RTP/AVP 8 101 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=ptime:20 a=X-vrzcap:vbd Ver=0 Mode=FaxPr ModemRtpRed=0 a=X-vrzcap:identification bin=DSR2879 Prot=mgcp App=MG which is converted to the 183: 2016/08/13 15:07:29.954212 77.120.xxx.xxx:5060 -> 10.10.16.127:5060 SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 10.10.16.127;branch=z9hG4bKnjrrsr6jgI3hgw5UEO6x From: <sip:85000@cc.out.co.com:5060>;tag=AwpvzqA To: <sip:0XX444444@77.120.xxx.xxx:5060>;tag=XB7eU5ctUyKDc Call-ID: fd0e5ed58368eb3abfe6ac75f500eb8d@10.10.16.127 CSeq: 1 INVITE Contact: <sip:0XX444444@77.120.xxx.xxx:5060;transport=udp> User-Agent: FreeSWITCH-mod_sofia/1.4.26-37~64bit Accept: application/sdp Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Allow-Events: talk, hold, conference, refer Content-Type: application/sdp Content-Disposition: session Content-Length: 243 Remote-Party-ID: "0XX444444" <sip:0XX444444@77.120.xxx.xxx
;party=calling;privacy=off;screen=no
v=0 o=FreeSWITCH 1471072637 1471072638 IN IP4 77.120.xxx.xxx s=FreeSWITCH c=IN IP4 77.120.xxx.xxx t=0 0 m=audio 17412 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=silenceSupp:off - - - - a=ptime:20 So question is: Are there any possibility to keep 180 with SDP or it will be always converted to 183 ? Thank you in advance. -- Best regards, Volodymyr