First off, do NOT post questions on sip to the main sip list. Questions on
SIP MUST be posted to [EMAIL PROTECTED]
-----Original Message-----
>From: kanumuri sreeram [mailto:[EMAIL PROTECTED]]
>Sent: Wednesday, April 25, 2001 3:19 PM
>To: Jonathan Rosenberg; 'Drage, Keith (Keith)'; 'Mayank Sharma'; Chen, Xin
(Xin); >'[EMAIL PROTECTED]'
>Subject: [SIP] 3gpp--controoler?????
>
>
>hi all,
>i have a douth regarding the 3pcc in sip.
>i am clear that this is possible with the help of the controller.
>like it is what which will take care of the signalling and the medai will
be transfer will >be taking place among them selves "true" i.e
>A-------------CONTROLLER---------------------------B
> direct media transfer
>===================================
>
>ok but i am not claer about this entity controller can any one make me
clear likw what is
>?
>if this is a different entity it should also be showm in the architecture
of sip
>like sipua,proxy,rediect,CONTROLLER....
>so i am clear with me douth can anu one help me
The controller in third party call control is a Back to Back user agent. It
is like a PSTN gateway, but has SIP on both sides, rather than SIP on one,
and PSTN on the other. Its behavior is governed by the user agent rules
specified in rfc2543.
-Jonathan R.
---
Jonathan D. Rosenberg 72 Eagle Rock Ave.
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
http://www.jdrosen.net PHONE: (973) 952-5000
http://www.dynamicsoft.com
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