[Asterisk-Users] answer supervision for POTS FXO interfaces

Gilad Ben-Yossef gilad at codefidence.com
Sat Jan 8 08:42:42 MST 2005


Samudra E. Haque wrote:
> hello, using Asterisk, is there any clever way to provide answer 
> supervision based upon the received audio only from the FXO interface 
> (from a public PSTN switch that does not have battery reversal, or CPC).
>  


In zapata.conf use either

busydetecgt=yes
busycount=6

(it will take about 10 seconds to indetify the hangup or busy)

If you're lucky, you can try the experimental

callprogress=yes

Cheers,
Gilad



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