[Asterisk-Users] TxFax: can't get a fax to destination (log inside)

[Marco Parmeggiani]

Can someone explain me what's going on and why the receiver of this fax 
guives up saying communication error?


Slow carrier up
Slow carrier down
Slow carrier up
<<< CSI: 40 20 20 20 20 20 20 20 34 39 34 35 36 34 39 35 30 20 39 33 2b
CSI without final frame tag
Remote fax gave CSI as: "+39 059465494       "
<<< DIS: 80 00 ee f8 c4 00
DIS with final frame tag
In state 10
DIS:
   Prefer 256 octet blocks
   Can receive fax
   Supported data signalling rates: V.27ter, V.29 and V.17
   R8x7.7lines/mm and/or 200x200pels/25.4mm
   2D coding
   Scan line length: 215mm
   Recording length: A4 (297mm) and B4 (364mm)
   Receiver's minimum scan line time: 0ms at 3.85 l/mm: T7.7 = T3.85
   Error correction mode
   T.6 coding
DCS:
   Can receive fax
   Selected data signalling rate: V.29, 9600bps
   2D coding
   Scan line length: 215mm
   Recording length: A4 (297mm)
   Minimum scan line time: 20ms
   Minimum scan line time for higher resolutions: T15.4 = T7.7
Start sending document
Start tx document
Changed from phase 2 to 4
 >>> DCS: 83 00 86 80 80 80 00
HDLC underflow in state 3
Changed from phase 4 to 6
Changed from phase 6 to 3
Slow carrier up
<<< CFR: 84
CFR with final frame tag
In state 4
Trainability test succeeded
Start tx page 0
Slow carrier down
Changed from phase 3 to 6
Changed from phase 6 to 4
Start tx page 1
 >>> EOP: 2f
HDLC underflow in state 14
Changed from phase 4 to 3
Slow carrier up
<<< RTN: 4c
RTN with final frame tag
In state 14
Changed from phase 3 to 4
 >>> DCN: fb
HDLC underflow in state 2
Disconnecting
Changed from phase 4 to 7
Changed from phase 7 to 8