[SR-Users] How to eliminate Content-Length:0 from sl_send_reply

[Pranathi Venkatayogi]

Hi Daniel,
  Just wanted to confirm my understanding here.
  Are you hinting towards INVITE (hold) message illustrated here (http://www.tech-invite.com/fo-sip/tinv-fo-sip-service-01.html)   
  Here is how it lays out:
1. Customer sends INVITE requiring MSRP chat
2. Kamailio will accept the invite and complete the session setup - send 100 Trying, 180 Ringing and 200 ok.
3. Kamailio will send INVITE(hold) to customer
4. When the agent becomes available, Kamailio will send "refer" to connect to right agent directly.

  Please share your comments on this.

Thanks
Pranathi.
  

-----Original Message-----
From: sr-users [mailto:sr-users-bounces at lists.kamailio.org] On Behalf Of Daniel-Constantin Mierla
Sent: Tuesday, April 25, 2017 9:09 AM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Subject: Re: [SR-Users] How to eliminate Content-Length:0 from sl_send_reply

Actually the scenario might work with some bits of coding, in the idea that the INVITE is answered for the purpose of keeping it on hold, so no real communication happens. Moreover, if I got all the details properly, here is about MSRP (text messaging), not audio/video session.

Cheers,
Daniel

On 25.04.17 15:47, Alex Balashov wrote:
> It's a legitimate aspiration, just not one that Kamailio is designed to service, since it's a proxy - it just passes messages. For instance, one cannot "terminate" an invite to Kamailio "for a while". As a messenger, it has no means of doing that. You need an actual user agent involved. 
>
> -- Alex
>
> --
> Principal, Evariste Systems LLC (www.evaristesys.com)
>
> Sent from my Google Nexus.
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Daniel-Constantin Mierla
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