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