[SIPForum-discussion] Call transfer
naga95
naga95 at gmail.com
Thu Jan 15 20:38:15 UTC 2009
Thanks for all your input. I found the problem and fixed it.
_____
From: naga95 [mailto:naga95 at gmail.com]
Sent: Thursday, January 15, 2009 1:31 PM
To: 'discussion at sipforum.org'
Subject: RE: [SIPForum-discussion] Call transfer
I am having problem at step 5. C is getting the invite on second line
instead of getting connected on the first line.
_____
From: nabam serbang [mailto:nabamserbang at yahoo.com]
Sent: Thursday, January 15, 2009 1:49 AM
To: Naga Yerramsetti; discussion at sipforum.org
Subject: Re: [SIPForum-discussion] Call transfer
A B2BUA B C
dlg1 (A-B call)
1) <--------------------->
Hold dlg A-B (When C preses tranfer, it generates soft hold to A)
2) <----------------------
B --> C ( B establishes call with C) dlg2
3) <------------
-------------------------->
REFER (to C from B as B has initiated transfer to C)
Refer-to:c@<c-address>?Replaces=dlg2
4)<---------------------
INVITE sip:c@<c-address>
Replaces:dlg2
5) ---------->-------------------------->
200 OK
<---------------------------------------
NOTIFY (for transfer)
6) --------->--------------->
BYE (to B) dlg1
7) --------->----------->
BYE (to C) dlg2
8) ------------------------->
Steps 4 and 5 in above call flow should solve your problem. dlgx is one
complete call setup steps i.e. from INVITE to ACK.
Thanks and regards
Nabam, Avaya
Home page: http://sites.google.com/site/nabamserbang/
_____
From: Naga Yerramsetti <naga95 at gmail.com>
To: discussion at sipforum.org
Sent: Wednesday, January 14, 2009 9:42:34 PM
Subject: [SIPForum-discussion] Call transfer
Hi,
I am a newbie in SIP. We are using web logic sip server as B2BUA.
I am having problem implementing call transfer. Call is established between
A and B
B is trying to transfer A to C. Call is established between B and C.
Call leg to A and Call leg to B exists in one application session and a call
leg to B and call leg to C exists in another sip application session.
Now what the B2bUA (app running in weblogic sip server) should do to
establish call between A and C
Thank you.
Naga
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sipforum.org/pipermail/discussion/attachments/20090115/214d9ac7/attachment-0002.html>
More information about the discussion
mailing list