Hi Mark,
 
I'm having problem with fax detection on my Asterisk box.  My config is like this:
 
PSTN T1 <==> Asterisk (*) T100P (2 cards) <==> PBX
 
Everything works fine for voice and incoming fax but out going fax got this error:
 

    -- Starting simple switch on 'Zap/48-1'

    -- Executing Dial("Zap/48-1", "IAX2/myusername@NuFone/16509300206") in new stack

    -- Called myusername@NuFone/16509300206

    -- Call accepted by 66.225.202.72 (format ULAW)

    -- Format for call is ULAW

    -- IAX2[NuFone]/2 stopped sounds

    -- Redirecting Zap/48-1 to fax extension

Mar  4 12:11:58 WARNING[1217602880]: app_dial.c:293 wait_for_answer: Unable to forward frame

    -- Hungup 'IAX2[NuFone]/2'

  == Spawn extension (outbound, fax, 0) exited non-zero on 'Zap/48-1'

    -- Executing Dial("Zap/48-1", "Zap/g1/fax") in new stack

    -- Called g1/fax

    -- Hungup 'Zap/1-1'

  == Spawn extension (outbound, fax, 1) exited non-zero on 'Zap/48-1'

    -- Executing Hangup("Zap/48-1", "") in new stack

  == Spawn extension (outbound, h, 1) exited non-zero on 'Zap/48-1'

    -- Hungup 'Zap/48-1'

 

Is there something wrong here?

 

[outbound]

; Fax extention Dial Plan
;
exten => fax,1,Dial,${PSTN}/${EXTEN}

 

[default]

include => inbound
include => outbound

 

Thanks.

 

Tri Tu

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