Hello, you don't need to set the Content-Length yourself, kamailio does it automatically when the body of a message is changed.
Cheers, Daniel On 25.04.17 15:06, Pranathi Venkatayogi wrote: > Hi Alex, > I am adding my own SDP body to the reply and set the content-length to 350 > already. > The extra content-length: 0 is causing it to be malformed. > > Question: Is there a way to generate SIP reply with SDP payload from config > file. I saw there is uac_send_req but no support for reply so far...Please > suggest. > > I want to send this message from Kamailio: > SIP/2.0 200 OK > Via: SIP/2.0/UDP > 10.0.0.5:52653;rport=52653;branch=z9hG4bKPj60f74c5d68574dc5ae3cbfdd21ba5f12;received=10.11.200.48 > From: "cust1" > <sip:[email protected]>;tag=0cba06eab62d47d1ace9c8834bbe0396 > To: > <sip:[email protected]>;tag=02eb90a2953b26682001111237ca6e13-e339 > Call-ID: 7d383971684b44f792cfe84043bf8b5a > CSeq: 15351 INVITE > Content-Type: application/sdp > Content-Length: 350 > > v=0 > o=- 3688213899 3688213900 IN IP4 10.99.52.17 > s=Blink 1.4.2 (Windows) > t=0 0 > m=message 2855 TCP/MSRP * > c=IN IP4 10.99.52.17 > a=path:msrps://10.99.52.17:2855/12673656159856;tcp > a=accept-types:message/cpim text/* image/* application/im-iscomposing+xml > a=accept-wrapped-types:text/* image/* application/im-iscomposing+xml > a=setup:active > > -----Original Message----- > From: sr-users [mailto:[email protected]] On Behalf Of Alex > Balashov > Sent: Tuesday, April 25, 2017 7:24 AM > To: Kamailio (SER) - Users Mailing List <[email protected]> > Subject: Re: [SR-Users] How to eliminate Content-Length:0 from sl_send_reply > > Hello, > > What leads you to the conclusion that the > > Content-Length: 0 > > header is "extra", and in need of a "workaround"? > > -- Alex > > On Tue, Apr 25, 2017 at 12:21:32PM +0000, Pranathi Venkatayogi wrote: > >> Hi, >> How do I eliminate Content-Length:0 from sip reply when using >> sl_send_reply? >> I wanted to generate 200 ok, with SDP payload. I appended headers like >> below. The packet seems ok except there is extra "Content-Length:0", which >> is causing problems. Any workarounds? >> >> The packet being generated is: Note the extra content-length: 0 at the >> end. >> SIP/2.0 200 OK >> Via: SIP/2.0/UDP >> 10.0.0.12:59404;rport=59404;branch=z9hG4bKPjb7d0391f8f7f479b812f6e5fea >> dfa3c5;received=10.11.200.46 >> From: "cust1" >> <sip:[email protected]>;tag=afcffa277e2a43dc88 >> fafc612f538864 >> To: >> <sip:[email protected]>;tag=37b119f34ca40c15 >> 8c5b7306e1aa8d72.b73a >> Call-ID: 7f73e5d03e15425395fac930eae423bd >> CSeq: 31419 INVITE >> Content-Type: application/sdp >> Content-Length: 350 >> >> v=0 >> o=- 3688213899 3688213900 IN IP4 10.99.52.17 s=Blink 1.4.2 (Windows) >> t=0 0 >> m=message 2855 TCP/MSRP * >> c=IN IP4 10.99.52.17 >> a=path:msrps://10.99.52.17:2855/116701522521345;tcp >> a=accept-types:message/cpim text/* image/* >> application/im-iscomposing+xml >> a=accept-wrapped-types:text/* image/* application/im-iscomposing+xml >> a=setup:active >> Content-Length: 0 >> >> Code in config is: >> append_to_reply("Content-Type: application/sdp\r\n"); >> append_to_reply("Content-Length: 350\r\n"); >> append_to_reply("\r\n"); >> append_to_reply("v=0\r\n"); >> append_to_reply("o=- 3688213899 3688213900 IN IP4 MY_IP_ADDR\r\n"); >> append_to_reply("s=Blink 1.4.2 (Windows)\r\n"); >> append_to_reply("t=0 0\r\n"); >> append_to_reply("m=message 2855 TCP/MSRP *\r\n"); >> append_to_reply("c=IN IP4 MY_IP_ADDR\r\n"); >> >> append_to_reply("a=path:msrps://MY_IP_ADDR:2855/$var(ssessid);tcp\r\n"); >> append_to_reply("a=accept-types:message/cpim text/* image/* >> application/im-iscomposing+xml\r\n"); >> append_to_reply("a=accept-wrapped-types:text/* image/* >> application/im-iscomposing+xml\r\n"); >> append_to_reply("a=setup:active\r\n"); >> >> sl_send_reply("200", "OK"); >> >> Thanks, >> Pranathi Venkatayogi >> System Developer II >> (520) 745-9447 x4466 >> www.cyracom.com<http://www.cyracom.com/> >> >> Join us: [cid:[email protected]] >> <https://www.facebook.com/pages/CyraCom-LLC/134704783312720> >> [cid:[email protected]] <https://twitter.com/cyracom> >> [cid:[email protected]] >> <http://www.linkedin.com/company/cyracom> >> [cid:[email protected]] <http://www.cyracom.com/blog/> >> >> [cid:[email protected]] >> >> DISCLAIMER: This e-mail and any attached content may contain confidential or >> privileged material delivered for the sole use of the intended recipient(s). >> Any review, use, distribution or disclosure by others is strictly >> prohibited. If you are not the intended recipient (or authorized to receive >> for the recipient), please contact the sender immediately by reply e-mail >> and delete all copies of this message. It is the recipient's responsibility >> to scan this e-mail and any attachments for viruses. The content of this >> e-mail message, including any attachments, does not comprise a contract or a >> portion of a contract, and so does not bind CyraCom International, Inc. or >> any of its agents or subsidiaries. CyraCom, LLC and Voiance Language >> Services, LLC are wholly owned subsidiaries of CyraCom International, Inc. >> > > > > > > >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > -- > Alex Balashov | Principal | Evariste Systems LLC > > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
