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:cust1@devtranslation.sms-test.cyracom.com;tag=0cba06eab62d47d1ace9c8834bbe0396 To: sip:spanish@devtranslation.sms-test.cyracom.com;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:sr-users-bounces@lists.kamailio.org] On Behalf Of Alex Balashov Sent: Tuesday, April 25, 2017 7:24 AM To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org 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:cust1@devtranslation.sms-test.cyracom.com;tag=afcffa277e2a43dc88 fafc612f538864 To: sip:spanish@devtranslation.sms-test.cyracom.com;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.comhttp://www.cyracom.com/
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