[asterisk-users] Re: PRI: sometimes Asterisk drop calls

Giorgio Incantalupo gincantalupo at fgasoftware.com
Mon Sep 18 01:23:32 MST 2006

you are right. We have an outbound calls problem too. We tried not to 
use groups but to ask Asterisk for an available channel using 
"chanisavail" command. Asterisk gives us back the channel but when we 
try to call using that channel Asterisk says the channel is not 
available....and nobody is using it
Seems strange nobody noticed it before.

This risks to be a dangerous problem because this means Asterisk does 
not know which channels are really available and which are not. In other 
words if nobody explains why Asterisk behaves that way, it surely be 
possible to consider this as a bug.

Is there anybody trying to use chanisavail with success??


Giorgio Incantalupo

Tomislav Parčina wrote:
> In article <450A5478.6010809 at fgasoftware.com>, gincantalupo at fgasoftware.com says...
>> Hi,
>> I do not use queues but I have a lot of messages like that. I talked a 
>> lot with Steve about this....
>> It seems like Asterisk cannot agree with telco about which channels are 
>> busy and which are not. Maybe a bug? I do not know...it seems too 
>> strange Asterisk has a sooooo big problem. There must be something we do 
>> not know....By the way, the solution seems to be using the higher 
>> channels of the span, in other words to make calls using G instead of g 
>> inside Dial command (thans to Steve and others!!)
> I don't think that could be the problem. Because Asterisk has already established connection with provider on certain channel. So why would they negotiate another channel? When I transfer phone call to another extension, incoming channel doesn't change.
> I think something else is the problem, but I do encourage to use G in dialplan's Dial command.
> --
> Tomislav Parčina
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