[Asterisk-Users] SIP rogue channel

[Bart van Daal]

Hi,

one of the sip-extensions we created always returns busy when someone
tries to call the phone. The extension itself can place calls.
We're using snom360 phones with the latest firmware. On every one of
those phones when we register with the sip-extension, we've experienced
the same problem. 
This is the output from sip show channels:

Peer             User/ANR    Call ID      Seq (Tx/Rx)   Format
x.x.x.x     (None)      3c267009a87  00101/79668   unknow
x.x.x.x       037807490   07b9a829600  00102/00000   alaw
x.x.x.x       32164695    2C47054A-25  00101/00101   alaw
x.x.x.x     757         5a5525f02b1  00102/00000   ulaw
x.x.x.x      755         3c278bfbb23  00101/00002   ulaw
x.x.x.x      756         4a355b504b9  00102/00000   unknow(d)
6 active SIP channel(s)

The extension that always replies busy is the last one, 756.
I've tried removing the extensions and I think reloading asterisk
will be the only solution to reset the channel. Is there another
way to clear this channel or maybe there's another cause for the
problem?

kind regards,
Bart

 

Bart van Daal
Network Operations

Van Landeghemstraat 20
9100 SINT-NIKLAAS
b.vandaal at edpnet.net
www.edpnet.be
T +32 (0)3 265 67 00
F +32 (0)3 265 67 01