asterisk users - Mar 2008 - sip show channels - gives a growing list of dead channels

I am using Asterisk 1.4.18 with 70 various Polycoms, 12 analog, and 18
Spectralink wireless IP phones.

Most of the Spectralink phones have entries in 'sip show channels'
that do not go away.  None of the other phones do this.

Is there anyway to remove these entries without restarting Asterisk?

Any ideas on what could be done to prevent this?

Example output:
xxx.xxx.xxx.xxx   541         14dd18886d1  00103/00102  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   546         1e7c2fd84ab  00103/00102  0x0 (nothing)
  No  (d)  Rx: BYE
xxx.xxx.xxx.xxx   546         80f99ee6-6c  00103/00104  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   546         0d9b184254b  00104/00102  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   546         7fa08c964a1  00104/00102  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   542         7088c6a7-db  00102/00104  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   541         424cc109052  00104/00102  0x0 (nothing)
  No       Rx: BYE
xxx.xxx.xxx.xxx   541         225fe5130e5  00104/00102  0x0 (nothing)
  No       Rx: BYE

Thanks,
Keith

Same problem over here................

I use KIRK-Telecom ip600v3
This only happens on calls between SIP en MiSDN, anyone any clue?

As far as i can see these dead calls  once in while occur  when the 
remote party first hangs up (remote=MiSDN channel)

Keith do you also have error messages in the CLI when you open asterisk 
by using asterisk 
-rvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv ? (a lot of v)

 -- Incoming call: Got SIP response 400 "Bad Request" back from
10.0.0.71

10.0.0.71 represents the IP number of internal phone

Keith Hardee schreef:
> I am using Asterisk 1.4.18 with 70 various Polycoms, 12 analog, and 18
> Spectralink wireless IP phones.
>
> Most of the Spectralink phones have entries in 'sip show channels'
> that do not go away.  None of the other phones do this.
>
> Is there anyway to remove these entries without restarting Asterisk?
>
> Any ideas on what could be done to prevent this?
>
> Example output:
> xxx.xxx.xxx.xxx   541         14dd18886d1  00103/00102  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   546         1e7c2fd84ab  00103/00102  0x0 (nothing)
>   No  (d)  Rx: BYE
> xxx.xxx.xxx.xxx   546         80f99ee6-6c  00103/00104  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   546         0d9b184254b  00104/00102  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   546         7fa08c964a1  00104/00102  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   542         7088c6a7-db  00102/00104  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   541         424cc109052  00104/00102  0x0 (nothing)
>   No       Rx: BYE
> xxx.xxx.xxx.xxx   541         225fe5130e5  00104/00102  0x0 (nothing)
>   No       Rx: BYE
>
> Thanks,
> Keith
>
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