asterisk users - Oct 2005 - SIP 400 Bad Request from Cisco 7960/7940

We've been experiencing an odd issue lately.  I'm not sure when it
started
because it's not happening on most calls--it seems confined to a couple of 
our queues.  It's consistent though.

Here's the CLI output:
    -- Got SIP response 400 "Bad Request" back from 192.168.249.94
    -- SIP/502-9a58 is circuit-busy

I've tried a few different Asterisk versions CVS-HEAD, stable, even 1.2 
beta.  I've also bounced between SIP firmware 7.4 and 7.5 on the 7960/7940 
phones.

Anyone else seeing anything like this?

-Corey



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Corey S. McFadden wrote:
> We've been experiencing an odd issue lately.  I'm not sure when it
started
> because it's not happening on most calls--it seems confined to a couple
of
> our queues.  It's consistent though.
> 
> Here's the CLI output:
>     -- Got SIP response 400 "Bad Request" back from
192.168.249.94
>     -- SIP/502-9a58 is circuit-busy
> 
> I've tried a few different Asterisk versions CVS-HEAD, stable, even 1.2
> beta.  I've also bounced between SIP firmware 7.4 and 7.5 on the
7960/7940
> phones.
> 
> Anyone else seeing anything like this?
Please send me a full SIP debug to I can see what the Cisco thinks is so
bad coming from us.

Thank you

/Olle