[Asterisk-Users] SIP 400 Bad Request from Cisco 7960/7940

[Olle E. Johansson]

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