[asterisk-users] Asterisk 1.4.13 -- issue with parked calls

[Mojo with Horan & Company, LLC]

Barry D. Hassler wrote:
> I've tried to find other threads with this same topic, but haven't 
> found any... Apologies if this already being discussed....
>
> Running asterisk 1.4.13 (upgraded from 1.4.9) and zaptel 1.4.4.
>
> Having an issue with (I think) parked calls. We tend to park calls, 
> but we're often not able to pick them back up, or the other party says 
> they get dropped, etc. There doesn't seem to be a specific pattern 
> that I've discovered so far. I had this happen to me personally this 
> morning -- receptionist parked a call for me on extension 7001, but 
> when I dialed 7001, just got dead air. I could see in asterisk that 
> the call was indeed parked though, and after calling the person back, 
> he reported he was just hearing the lovely on-hold music.
>
> Is there a known issue (and even better, a fix) for this situation? 
> Any other information I can provide I'll do so!
What kind of phones are you using? are they Zap or SIP?

Can you provide a CLI output with any tips in it?