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Re: Call Reference IE Help

  • From: rajesh@trillium.com
  • Date: Wed, 4 Dec 1996 19:43:17 -0800 (PST)

	When you attempt to make a connection by sending a SETUP
message, you dont have a connection identifier at this point of time.
Your attempt may succeed in which case you will receive the connection
identifier in the first message returned by the network say CALL PROCEEDING.
If for some reason the network is not able to make a connection and
it sends a RELEASE COMPLETE message, then there should be some way for the 
user side to find out this RELEASE COMPLETE was for which SETUP. This is when
the call ref value comes into picture.

	Also remember that a connection is the obtained as a result of
making a call. You may succeed or fail in your attempt to make a connection.
But there should be always some means of associating every message returned
by the Network with a call, which is done by the Call Reference. Hope 
this helps.

	Ref to UNI 3.1 section 5.5.1.2 Page 242 for more info.

Regards,
Rajesh.
-- 
 +------------------------------------------------------------------------+
 | Rajesh Gadiyar                                                         |
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