[OpenSIPS-Users] TM module Minor branching

SamyGo govoiper at gmail.com
Thu Dec 20 09:05:55 CET 2012

Minor correction: Its "183 - Session Progress" instead of 182 in first line.

On Thu, Dec 20, 2012 at 12:56 PM, SamyGo <govoiper at gmail.com> wrote:

> Hi,
> I'm using the minor_branch flag for my calls to inject 182 session
> progress for the calls to carriers.
> http://www.opensips.org/html/docs/modules/1.7.x/tm.html#id293272
> Though this particular param states that this parallel "Fake RBT" minor
> branch will stay active until we get any positive response from other
> branch(es)
> However, what I am trying to achieve from this is stop playing any "Fake
> RBT" from this parallel branch as soon as I receive 183-Session Progress
> from the caller side.
> My False Ringer server only hangs up when the caller answers the call. Can
> this event happen in case of 183 rather 200?
> *My Solution:* What I do is set a branch flag on fake ringing and As soon
> as I receive 1183 from caller side I forcefully "*t_cancel_b("o")*"
> CANCLE other branches which definitely has some serious issues for
> processing CANCEL, for which I had to use fifo to CANCLE manually.
> exec_msg("opensipsctl fifo t_uac_cancel $ci $cs");
> sl_send_reply("200","OK");
> This thing works but somehow my senior manager don't agree with the above
> two lines.
> Can anyone suggest any better approach or comment if I'm heading in the
> right direction.
> Thanks,
> Sammy
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