[SR-Users] CANCEL before INVITE

[Alex Balashov]

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
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