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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have been playing around with mod_fax and can successfully
receive a fax to file. However, while doing so mod_fax is logging an
error message. Does anybody know what this error means?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 parsing
[default->REH_test_fax_receive] continue=false<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Regex (PASS)
[REH_test_fax_receive] destination_number(1011) =~ /^1011$/ break=on-false<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Action disable_ec()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Action answer()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Action
playback(silence_stream://2000)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Action
rxfax(/tmp/rxfax.tif)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>Dialplan: OpenZAP/2:1/1011 Action hangup()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG] switch_core_state_machine.c:122
(OpenZAP/2:1/1011) State Change CS_ROUTING -> CS_EXECUTE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_session.c:1019 Send signal OpenZAP/2:1/1011 [BREAK]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_state_machine.c:341 (OpenZAP/2:1/1011) State ROUTING going to sleep<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_state_machine.c:314 (OpenZAP/2:1/1011) Running State Change
CS_EXECUTE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_state_machine.c:348 (OpenZAP/2:1/1011) State EXECUTE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG] mod_openzap.c:434
OpenZAP/2:1/1011 CHANNEL EXECUTE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_state_machine.c:159 OpenZAP/2:1/1011 Standard EXECUTE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_session.c:1521 Application disable_ec Requires media! pre_answering
channel OpenZAP/2:1/1011<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_session.c:1523 OpenZAP/2:1/1011 receive message [PROGRESS]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG] mod_openzap.c:960
Changing state on 2:1 from IDLE to UP<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [NOTICE]
mod_openzap.c:961 Channel [OpenZAP/2:1/1011] has been answered<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_channel.c:182 OpenZAP/2:1/1011 receive message [AUDIO_SYNC]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG] switch_core_session.c:634
Send signal OpenZAP/2:1/1011 [BREAK]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>EXECUTE OpenZAP/2:1/1011 disable_ec()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [INFO] mod_openzap.c:2951
Echo Canceller Disabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>EXECUTE OpenZAP/2:1/1011 answer()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>EXECUTE OpenZAP/2:1/1011
playback(silence_stream://2000)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_ivr_play_say.c:1162 Codec Activated L16@8000hz 1 channels 20ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.542746 [DEBUG]
switch_core_io.c:652 OpenZAP/2:1/1011 receive message [TRANSCODING_NECESSARY]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.562747 [DEBUG]
ozmod_analog.c:450 Executing state handler on 2:1 for UP<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:08.562747 [DEBUG]
mod_openzap.c:1463 got FXS sig [UP]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.522277 [DEBUG]
switch_ivr_play_say.c:1454 done playing file<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>EXECUTE OpenZAP/2:1/1011 rxfax(/tmp/rxfax.tif)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.522277 [DEBUG] mod_fax.c:591 Raw
read codec activation Success L16 20000<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.522277 [DEBUG]
switch_core_codec.c:112 OpenZAP/2:1/1011 Push codec L16:10<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.522277 [DEBUG] mod_fax.c:607 Raw
write codec activation Success L16<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.522277 [DEBUG]
switch_channel.c:182 OpenZAP/2:1/1011 receive message [AUDIO_SYNC]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:27:10.542275 [DEBUG]
switch_core_io.c:234 OpenZAP/2:1/1011 receive message [TRANSCODING_NECESSARY]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.982013 [DEBUG]
ozmod_analog.c:788 EVENT [ONHOOK][2:1] STATE [UP]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.982013 [DEBUG]
ozmod_analog.c:824 Changing state on 2:1 from UP to DOWN<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.992014 [DEBUG]
ozmod_analog.c:450 Executing state handler on 2:1 for DOWN<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.992014 [DEBUG]
mod_openzap.c:1463 got FXS sig [STOP]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.992014 [NOTICE]
mod_openzap.c:1554 Hangup OpenZAP/2:1/1011 [CS_EXECUTE] [NORMAL_CLEARING]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:14.992014 [DEBUG] switch_channel.c:1976
Send signal OpenZAP/2:1/1011 [KILL]<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=1 color=red face="Courier New"><span
style='font-size:9.0pt;font-family:"Courier New";color:red;font-weight:bold'>2010-02-16
16:28:15.002011 [ERR] mod_fax.c:666 Cannot write frame [datalen: 320, samples:
160]<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:167
==============================================================================<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:174 Fax
successfully received.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:185
Remote station id: 206 742 3831<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:186
Local station id: SpanDSP Fax Ident<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:187
Pages transferred: 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:189
Total fax pages: 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:190
Image resolution: 8031x3850<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:191
Transfer Rate: 9600<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:193 ECM
status off<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:194
remote country:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:195
remote vendor:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:196
remote model:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'>2010-02-16 16:28:15.002011 [DEBUG] mod_fax.c:198
==============================================================================<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I traced the error message as coming from
switch_core_session_write_frame in src/switch_core_io.c which returns
SWITCH_STATUS_FALSE.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks for any information,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Robert</span></font><font size=1 face="Courier New"><span
style='font-size:9.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Courier New"><span style='font-size:9.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
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