[OpenSIPS-Users] TM flag 0x01 not working in 1.11.7

[Newlin, Ben]

Bogdan,

That is great for versions 2.1+, but I was asking about 1.11. This sounds like a new feature to me and I don’t understand why it was ported back to break existing functionality. The new TM parameter you mention is not available in 1.11 according to the documentation, so I have no way to get the previous functionality. There is also no documentation in 1.11 or in the release notes that indicates that the 0x01 flag no longer works.


Ben Newlin

From: Bogdan-Andrei Iancu <bogdan at opensips.org>
Date: Tuesday, June 21, 2016 at 3:35 AM
To: OpenSIPS users mailling list <users at lists.opensips.org>, "Newlin, Ben" <Ben.Newlin at inin.com>, "denis7979 at mail.ru >> Denis Putyato" <denis7979 at mail.ru>
Subject: Re: [OpenSIPS-Users] TM flag 0x01 not working in 1.11.7

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:
Hello!

2.1 has the same problem

  mailto:denis7979 at mail.ru

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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