Hi Bogdan,
Upon my test, at least uac_replace_from will do nothing to the automatically generated CANCEL. For my case I have to forward it manually through stateless forward. To be precise, no matter what is in the routing block, the CANCEL carries the same message =S
As I mentioned, I think the automatic early ACK to invite negative reply has the same problem. It will take the information in the pre-modified version. I think if possible, these two could be changed in the same time and will make life much easier =)
Rgds, Bai Shi
-----Original Message----- From: Bogdan-Andrei Iancu [mailto:bogdan@voice-system.ro] Sent: 2008年3月12日 19:12 To: Bai Shi Cc: Andreas Granig; users@lists.openser.org Subject: Re: [OpenSER-Users] Is it a bug? TM module is sending CANCEL requestregardlesswhat the script do with the From Header since 1.3.0
Hi guys,
just some useful info:
in pre 1.3.0, TM was not implementing hop-by-hop cancel (as generating the requests), but it was doing just forward. In this case you had to manually mangle the CANCEL request also, similar to INVITE one.
starting with 1.3.0, TM implements hop-by-hop cancel - it construct a new CANCEL request instead of forwarding the received one. Here, the FROM hdr changes (from INVITE) should be automatically reflected in the newly generated CANCEL.....If not, it means two things: - your CANCEL does not match any INVITE request - it is a bug..
I will run some tests on trunk ....
Regards, Bogdan
Bai Shi wrote:
Hi Andreas,
Actually it is different issue =P. You can manually change From in CANCEL in 1.2.2, however, in 1.3.0/1 even if you do manually modification, it won't work at all =).
I think since TM module will take care of the uri rewriting, it should smart enough up replace the From/To/Contact headers correct?
Rgds, Bai Shi
-----Original Message----- From: Andreas Granig [mailto:agranig@sipwise.com] Sent: 2008年3月12日 19:00 To: Bogdan-Andrei Iancu Cc: Bai Shi; users@lists.openser.org Subject: Re: [OpenSER-Users] Is it a bug? TM module is sending CANCEL requestregardless what the script do with the From Header since 1.3.0
Hi Bogdan,
you say that in 1.3 (opposite to 1.2), the forwarded CANCELs preserve the received FROM hdr instead of using the changed FROM, right?
I use 1.2.2 and I face the same issue. I do change the From in the INVITE, but in CANCEL the unchanged header is sent out. Do I manually have to replace From in the CANCEL as well, or should OpenSER automatically take care of that?
Andreas
Regards, Bogdan
Bai Shi wrote:
I’m not sure if it is a bug. Currently our set up need to do masquerading on the From header for all invite requests. It used to work okie when we process for the CANCEL request in the routing logic. But after upgrading to openser 1.3.0, the TM module is sending CANCEL out using local cached From info rather than the info processed by uac_replace_from. May I know is this by design or it is a bug?
Rgds,
BS
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