Re: [Sipp-users] 3PCC Mode Not Using New Call-ID

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Thanks.

Of course for completeness you now also should update scenarios 7 and 8 so
the register exchange has a different call-id from the rest (invite through
to bye).

Regards,

Peter

Peter Higginson

Newport Networks Ltd,

Direct line 01494 470694

http://www.newport-networks.com/

  _____  

From: Olivier Jacques [mailto:oja...@gm...] 
Sent: 23 October 2006 21:43
To: Peter Higginson
Cc: Steven Egan; sip...@li...
Subject: Re: [Sipp-users] 3PCC Mode Not Using New Call-ID

Peter,

I checked that in and documented it.

Thanks again,
OIivier.

On 8/21/06, Peter Higginson < <mailto:pet...@ne...>
pet...@ne...> wrote:

I believe this suggestion that I submitted in March would solve your 
problem.

Peter

-----Original Message-----
From: Peter Higginson [mailto:pet...@ne...]
Sent: 14 March 2006 13:54
To: 'Olivier Jacques'
Cc: 'sip...@li...'
Subject: RE: [Sipp-users] cid_str diffs for user specified call-id

Another Call-ID change that has been requested in the past is to make it so 
that one scenario instance can use multiple Call-IDs. (By "scenario
instance" I mean a call - but unless there is an INVITE/200OK exchange it is
not a true call.) This comes up regularly with the problem that we are 
breaking the RFC by using the same Call-ID for registration and the call.

Someone here had the requirement to test for the maximum supported Call-ID
size and I did not want to extend the array size by a massive amount because

that would have been multiplied by the number of calls etc. So I resurrected
and old idea to add a "separator" to the Call-ID so that only part of it was
matched. Remembering the previous discussion, I added the extra to the 
front, so that the last part only is matched.

The change is trivial - so I'll offer it here, in the routine get_call_id()
in sipp.cpp, after the line:

  *ptr2 = 0;

Add the line:

  if ((ptr3 = strstr(ptr1, "///")) != 0) ptr1 = ptr3+3; 

and add "*ptr3," to the declarations at the start of the routine.

====================================================================

This changes the way Call-ID's are matched so that an initial sequence upto 
and including /// is disregarded for matching purposes.

To use this, you need to send the Call-ID like this in the scenario file:

Call-ID: 123456789012345678901234567890///[call_id]

[last_Call-ID] will work in the normal way. 

This allows longer call ID's and/or what the device being tested will think
of as different Call-ID's to be part of one call/session as far as SIPP is
concerned.

Peter

Peter Higginson
Newport Networks Ltd, 
Direct line 01494 470694
http://www.newport-networks.com/

-----Original Message-----
From: sip...@li... 
[mailto:sip...@li...] On Behalf Of Steven Egan
Sent: 21 August 2006 16:44
To: sip...@li...
Subject: [Sipp-users] 3PCC Mode Not Using New Call-ID

Hi,
I have put some scripts together to test a 3PCC scenario I am looking to
implement.  Part A receives the call and is passing the message onto 
Part B using sendCmd, which in turn is sending the message to the
appropriate UAS.  My problem is that the Call-ID coming into A is the
same as that leaving B.  The scenario I wish to run requires different
Call-IDs on the inbound and outbound legs. 
I have tried manually changing the id within both the
A & B script, however, when the responses are sent back, the script I
have modified rejects them based on an invalid Call-ID.  Can anyone tell
me the best way to modify the Call-ID between A and B prior to sending 
it back out to the network, so that when the responses are received they
are not rejected?
Regards,
Steven
--
* Email: ste...@ae... *
* WWW  : www.aepona.com         *
* Phone: +44 (0)28 9026 9106    *
* Fax  : +44 (0)28 9026 9111    *

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