<div>Hi Group,<br></div><div></div><div>I know this issue has to do bit more with SIP and off from kamailio problems, but just wanted to know your opinions on this.</div><div></div><div>I have my sip extensions registered to kamilio and Asterisk works as a voicemail server.</div>
<div></div><div>Now to implement MWI i send NOTIFY packet from Asterisk to Kamailio and from kamailio to SIP extension (Grandstream GXP2000).</div><div></div><div>here is the packet that travels from kamailio to extension and the response sent from extension to kamilio.</div>
<div></div><div>===========================</div><div>NOTIFY <a href="mailto:sip%3A1111111@arzoo.com">sip:1111111@arzoo.com</a> SIP/2.0<br>Max-Forwards: 10<br>Record-Route: <sip:172.18.100.74;lr;nat=yes><br>Via: SIP/2.0/UDP 172.18.100.74;branch=z9hG4bK3c3.e1003f03.0<br>
Via: SIP/2.0/UDP 127.0.0.1:45382;received=172.18.100.73;branch=z9hG4bK.4f83530d;rport=45382;alias<br>Via: SIP/2.0/UDP <a href="http://172.18.100.73:5060">172.18.100.73:5060</a><br>From: <<a href="mailto:sip%3A111@arzoo.com">sip:111@arzoo.com</a>><br>
To: <<a href="mailto:sip%3A1111111@arzoo.com">sip:1111111@arzoo.com</a>><br>Contact: <<a href="mailto:sip%3A1111111@arzoo.com">sip:1111111@arzoo.com</a>><br>Call-ID: <a href="mailto:4d61cf9e505d40e905032a18329d61ec@172.19.100.42">4d61cf9e505d40e905032a18329d61ec@172.19.100.42</a><br>
CSeq: 1 NOTIFY<br>User-Agent: VoiceMail<br>Event: message-summary<br>Content-Type: application/simple-message-summary<br>Content-Length: 39<br><br></div><div>===========================</div><div>SIP/2.0 415 Unacceptable Content-Type<br>
Via: SIP/2.0/UDP 172.18.100.74;branch=z9hG4bK3c3.02003f03.0<br>Via: SIP/2.0/UDP 127.0.0.1:43416;received=172.18.100.73;branch=z9hG4bK.7be73901;rport=43416;alias<br>Via: SIP/2.0/UDP <a href="http://172.18.100.73:5060">172.18.100.73:5060</a><br>
Record-Route: <sip:172.18.100.74;lr;nat=yes><br>From: <<a href="mailto:sip%3A111@arzoo.com">sip:111@arzoo.com</a>><br>To: <<a href="mailto:sip%3A1111111@arzoo.com">sip:1111111@arzoo.com</a>>;tag=3c6ba3e4a93d6864<br>
Call-ID: <a href="mailto:4d61cf9e505d40e905032a18329d61ec@172.19.100.42">4d61cf9e505d40e905032a18329d61ec@172.19.100.42</a><br>CSeq: 1 NOTIFY<br>User-Agent: Grandstream GXP2000 1.1.4.14<br>Accept: application/sdp, application/simple-message-summary, application/octet-stream, application/dialog-info+xml, application/pidf+xml, message/sipfrag;version=2.0<br>
Content-Length: 0<br><br></div><div>===========================</div><div></div><div></div><div>Please guide me in right direction to get rid of 'Unacceptable Content-Type' problem.</div><div></div><div>Thanks in advance,</div>
<div></div><div>--SM</div>