Greetings,You need to give * about 3-5 seconds to recognize the CNG, so answer the call and then wait or background a message (silence ?) to give * time to recognize the CNG.
[w_pstn] exten => 8478106205,1,record,w_faxmsg:pcm exten => 8478106206,1,Dial,SIP/w_sip exten => fax,1,Goto(w_fax,8478106207,1)
[w_fax] exten => 8478106207,1,Dial,Zap/g1/8478106207
We send faxes (from the same fax machine) to 8478106205 and 8478106206.
On 8478106205 fax tone is always detected and we have a successful fax transmission to 8478106207.
On 8478106206 call is connected to the SIP application, but the fax tone is not detected, so we keep beeping (CNG) to the app.
In both cases we see several sequences of 4 messages each (uncommented in dsp.c) like
Fax energy/Second Harmonic: 57393933745.000381/22932862397.987717
so fax_hits counter should be the same.
Please, help.
Alex Zarubin Webley Systems, Inc.
This how I received every call and is working...
Good luck.
exten => s,1,SetMusicOnHold(random) exten => s,2,SetVar(Tries=1) exten => s,3,Wait(1) exten => s,4,Answer() exten => s,5,DigitTimeout(5) exten => s,6,ResponseTimeOut(10) exten => s,7,BackGround(Welcome)
exten => fax,1,Dial(SIP/209||d) <<-- Fax Device exten => fax,2,Hangup()
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