[asterisk-users] "Channels stuck up even without use"

[Steve Howes]

On 13 Aug 2009, at 07:51, das sandesh wrote:

> Hi All,
>
> I had a problem yesterday, that our asterisk server showed 2  
> channels were in use continuously, but nobody were using any of them  
> at that time. I had to kill them using "softhangup" and I checked  
> all the logs but could not find why exactly this problem occurred,  
> as the system was running fine for many months till yesterday...Once  
> I killed the channels it is fine now, but I wanted to know where can  
> I find what might have caused this problem? We use Polycom 320  
> phones and asterisk 1.4.21.2 version

Analogue? ISDN? SIP?

If its SIP its probably a lost packet. Sticking on max call length and  
silence detection might help.

Steve