On 06/17/2010 04:46 PM, David wrote:

With my Cisco WIP310, what is happening is it is replying 481 Call
Leg/transaction unknown. After that it processes the INVITE
retransmission at which point it rings for 240 seconds. Which is a wee
bit annoying.

This is a very strange flow. If the caller sent a CANCEL, it should not be sending any INVITE retransmissions. If the proxy received a CANCEL, it should not be sending any INVITE retransmissions.

--
Alex Balashov - Principal
Evariste Systems LLC
1170 Peachtree Street
12th Floor, Suite 1200
Atlanta, GA 30309
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/

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