Hi

Please refer to https://github.com/OpenSIPS/opensips/issues/833 .

As per documentation, the 0x1 flag became obsolete, as sending the 100Trying is no longer linked to the t_relay() - the 100Trying is now sent when the transaction is created.

If you want to disable the auto 100Trying, see the new TM flag auto_100trying:
http://www.opensips.org/html/docs/modules/2.2.x/tm.html#id294523

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 18.06.2016 16:49, Denis wrote:
Re: [OpenSIPS-Users] TM flag 0x01 not working in 1.11.7 Hello!

2.1 has the same problem

//mailto:[email protected]


In my script I send all “100 Trying” responses manually* and use the 0x01 flag when calling t_relay so that it will not send its own “100 Giving a try” response, as per the documentation [1].

Unfortunately, in 1.11.7 and 1.11.8 this flag seems to have stopped working which results in multiple 100 responses.

This should be easily reproducible with a script that simply calls t_relay with flag 0x01. You will see that a “100 Giving a try” response is still sent.

[1] http://www.opensips.org/html/docs/modules/1.11.x/tm.html#id294528

* I do this because I don’t like that the default is to send the non-standard response “100 Giving a try” instead of “100 Trying”. I’ve always wondered why this is that way. Additionally, the automatic response to CANCEL requests is “200 canceling” instead of the standard “200 OK”. Unfortunately, I have yet to find a way to workaround the behavior for CANCEL.

Ben Newlin



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