[Asterisk-Users] Snom 200 stuck on "Busy"

[TC]

> With a recent update  to Asterisk CVS, and versions 2.02r and t of the 
> Snom 200 firmware,  I'm getting the Snom phones stuck reporting "Busy.":
> 
>     -- Got SIP response 486 "Busy Here" back from 10.12.34.248
>     -- SIP/3064-b07d is busy
> 
> They're on-hook, not doing anything.  They are registered fine.  I can 
> pick them up and call out over Zap or IAX fine.  I just can't call the 
> extensions because they always report busy.
I worked with a client with snom 200 they claim this occurs
after using "Do not Disturb" on the phone they say they must reboot
it to not return a busy ...