[asterisk-users] real zaptel call durations

[Tzafrir Cohen]

On Sun, Mar 02, 2008 at 08:30:17AM -0500, aymen warfalli wrote:
> 
> Thanx alot for reply 
>  
>   I mean i have to use the fxo to connect to the pstn line and i do not 
> know if there is any asterisk functions ,Application, options that 
> could help to know what is the real call duration [ how to deal with 
> pstn line signaling how to detect the pstn ringing tone or pstn 
> auto-machinese voice message in case if the user did not answer the 
> call ] , 

Again: does the PSTN provider provide you that information? through
polarity reversal at call start and end? By any other means?

If not: no. Guessing this is very tricky, and Asterisk does not attempt
to. 

-- 
               Tzafrir Cohen
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