[Asterisk-Users] Problem with fax tone (CNG) and fax detection

[Nicolás Gudiño]

Hello,

 
> The problem with the call files is that the busy tone is not being
> detected, and the reason the busy tone is not detected is because the
> fax tone (CNG) is being injected onto the line by the TxFax application.
> 
> When I remove "|caller" from the call files (no CNG tones), all fax
> calls are properly sent (busy is detected by * and the call retried).
> However, by removing "|caller| and not sending the CNG tones, some fax
> receivers will not be able to properly handle the call.
> 
> Is there some way for * to detect busy tones while ignoring (filtering)
> the CNG tones?

Maybe by setting the following in zapata.conf

;faxdetect=both
;faxdetect=incoming
;faxdetect=outgoing
;faxdetect=no

-- 
Nicolás Gudiño
Buenos Aires - Argentina