[SIPForum-discussion] Call Rejected

[Jorge]

The terminating device does not send any RTP before the CANCEL, this is  a
codec problem.  Do not assume a 488 it is only available on well behaved SIP
stacks.

 

From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Binan AL Halabi
Sent: Monday, August 26, 2013 4:59 AM
To: smraney at comcast.net; murali87ece at gmail.com
Cc: discussion at sipforum.org
Subject: Re: [SIPForum-discussion] Call Rejected

 

Hi ALL,

 

If there is a problem with codecs, the endpoint would send "488 Not
Acceptable here".  Sending CANCEL in this case is implementation specific
behaviour. Check if you have this.


As i said in another thread in this forum, maybe there is timer which
triggers the CANCEL but this is also not standard behaviour (sending CANCEL
in proceeding state). It is depends on the implementation. Check this also.

 

Thank you.

 

// Binan.

 

  _____  

Från: "smraney at comcast.net <mailto:smraney at comcast.net> "
<smraney at comcast.net <mailto:smraney at comcast.net> >
Till: Murali Natesh <murali87ece at gmail.com <mailto:murali87ece at gmail.com> > 
Kopia: discussion at sipforum.org <mailto:discussion at sipforum.org>  
Skickat: söndag, 25 augusti 2013 0:13
Ämne: Re: [SIPForum-discussion] Call Rejected

 

Murali,

 

The original Invite offered attributes that included G729a, G729ab and
G729b, however within the 183 Session Progress the negotiated attribute

referenced G729, with an attribute that indicated 'annexb=no'.  Is it
possible that one of the endpoints or switches are not properly
selecting/accepting

the G729a codex selection and therefore terminating the call by sending the
Cancel message?

 

There is no 'reason' parameter within the Cancel message, so my observations
are simply an area to analyze.

 

Respectfully,

 

Steve.....

 

 

  _____  

From: "Murali Natesh" <murali87ece at gmail.com <mailto:murali87ece at gmail.com>
>
To: discussion at sipforum.org <mailto:discussion at sipforum.org> 
Sent: Saturday, August 17, 2013 6:37:59 AM
Subject: [SIPForum-discussion] Call Rejected

 

Hi guys,

 

I'm facing call failure issue to one SIP exchange.Call is terminated with
487 Request Terminated.

Please find the attached trace for the failed call.

Can anyone tell me what may be the reason for the failure?

-- 
Thanks and Regards
Murali


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