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<TITLE>RE: [Asterisk-Users] SoftFAX/spandsp</TITLE>
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<P><FONT SIZE=2>Hi Steve,</FONT>
</P>
<P><FONT SIZE=2>We've got VFX/40ESC and VFX/40ESC plus, tried both. Can send faxes from our</FONT>
<BR><FONT SIZE=2>platform to your system if it helps.</FONT>
</P>
<P><FONT SIZE=2>After this problem is (hopefully) solved we are going to try FaxLab</FONT>
<BR><FONT SIZE=2><A HREF="http://www.qualitylogic.com/genoa_test_tools/fax/faxlab.html" TARGET="_blank">http://www.qualitylogic.com/genoa_test_tools/fax/faxlab.html</A></FONT>
</P>
<P><FONT SIZE=2>Do you know of newer/better tools?</FONT>
</P>
<P><FONT SIZE=2>Thank you.</FONT>
</P>
<P><FONT SIZE=2>Alex Zarubin</FONT>
<BR><FONT SIZE=2>Webley Systems</FONT>
</P>
<BR>
<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Steve Underwood [<A HREF="mailto:steveu@coppice.org">mailto:steveu@coppice.org</A>]</FONT>
<BR><FONT SIZE=2>Sent: Monday, March 22, 2004 6:29 PM</FONT>
<BR><FONT SIZE=2>To: asterisk-users@lists.digium.com</FONT>
<BR><FONT SIZE=2>Subject: Re: [Asterisk-Users] SoftFAX/spandsp</FONT>
</P>
<BR>
<P><FONT SIZE=2>Hi Alex,</FONT>
</P>
<P><FONT SIZE=2>Which Dialogic hardware are you using? I have a VFX41/ESC, but I have </FONT>
<BR><FONT SIZE=2>not tried faxing to spandsp with it. I will try it. A lot of the </FONT>
<BR><FONT SIZE=2>problems I have had in the last week are with FAX machines that do not </FONT>
<BR><FONT SIZE=2>obey the spec properly. I expect this is one.</FONT>
</P>
<P><FONT SIZE=2>Regards,</FONT>
<BR><FONT SIZE=2>Steve</FONT>
</P>
<BR>
<P><FONT SIZE=2>Alex Zarubin wrote:</FONT>
</P>
<P><FONT SIZE=2>> Hi,</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> With the latest release available (spandsp-0.0.1f) we still cannot </FONT>
<BR><FONT SIZE=2>> receive</FONT>
<BR><FONT SIZE=2>> faxes from Dialogic. There are no problems with several fax machines </FONT>
<BR><FONT SIZE=2>> we've tried and</FONT>
<BR><FONT SIZE=2>> it works fine with J2, so it shouldn't be slipping...</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> -- Executing RxFAX("Zap/26-1", </FONT>
<BR><FONT SIZE=2>> "/usr/tmp/nativefax-from-8772308094-1079985146.tif") in new stack</FONT>
<BR><FONT SIZE=2>> Changed from phase 0 to 1</FONT>
<BR><FONT SIZE=2>> Slow carrier up</FONT>
<BR><FONT SIZE=2>> [03/22/04 13:52:26.985] DEBUG[507930]: File chan_zap.c, Line 3332 </FONT>
<BR><FONT SIZE=2>> (zt_exception): Exception on 41, channel 26</FONT>
<BR><FONT SIZE=2>> [03/22/04 13:52:26.985] DEBUG[507930]: File chan_zap.c, Line 2753 </FONT>
<BR><FONT SIZE=2>> (zt_handle_event): Got event No event(0) on channel 26 (index 0)</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> [03/22/04 13:52:26.985] DEBUG[507930]: File chan_zap.c, Line 3234 </FONT>
<BR><FONT SIZE=2>> (zt_handle_event): Dunno what to do with event 0 on channel 26</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> Slow carrier down</FONT>
<BR><FONT SIZE=2>> Slow carrier up</FONT>
<BR><FONT SIZE=2>> Slow carrier down</FONT>
<BR><FONT SIZE=2>> Start receiving document</FONT>
<BR><FONT SIZE=2>> Changed from phase 1 to 4</FONT>
<BR><FONT SIZE=2>> Sending ident</FONT>
<BR><FONT SIZE=2>> >>> CSI: 40 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20</FONT>
<BR><FONT SIZE=2>> DIS:</FONT>
<BR><FONT SIZE=2>> Preferred octets: 256</FONT>
<BR><FONT SIZE=2>> Can receive fax</FONT>
<BR><FONT SIZE=2>> Supported data signalling rates: V.27ter and V.29</FONT>
<BR><FONT SIZE=2>> R8x7.7lines/mm and/or 200x200pels/25.4mm OK</FONT>
<BR><FONT SIZE=2>> 2D coding OK</FONT>
<BR><FONT SIZE=2>> Scan line length: 215mm</FONT>
<BR><FONT SIZE=2>> Recording length: A4 (297mm)</FONT>
<BR><FONT SIZE=2>> Receiver's minimum scan line time: 0ms at 3.85 l/mm: T7.7 = T3.85</FONT>
<BR><FONT SIZE=2>> R8x15.4lines/mm OK</FONT>
<BR><FONT SIZE=2>> Minimum scan line time for higher resolutions: T15.4 = T7.7</FONT>
<BR><FONT SIZE=2>> >>> DIS: 80 00 ce f0 80 80 01</FONT>
<BR><FONT SIZE=2>> HDLC underflow in state 9</FONT>
<BR><FONT SIZE=2>> Changed from phase 4 to 3</FONT>
<BR><FONT SIZE=2>> Slow carrier up</FONT>
<BR><FONT SIZE=2>> <<< TSI: 43 4e 49 42 55 52 41 5a 20 58 45 4c 41 20 20 20 20 20 20 20 20</FONT>
<BR><FONT SIZE=2>> TSI without final frame tag</FONT>
<BR><FONT SIZE=2>> Remote fax gave TSI as: "ALEX ZARUBIN"</FONT>
<BR><FONT SIZE=2>> <<< DCS: 83 00 c6 70</FONT>
<BR><FONT SIZE=2>> DCS with final frame tag</FONT>
<BR><FONT SIZE=2>> In state 9</FONT>
<BR><FONT SIZE=2>> DCS:</FONT>
<BR><FONT SIZE=2>> Can receive fax</FONT>
<BR><FONT SIZE=2>> Selected data signalling rate: V.29, 9600bps</FONT>
<BR><FONT SIZE=2>> R8x7.7lines/mm and/or 200x200pels/25.4mm OK</FONT>
<BR><FONT SIZE=2>> 2D coding OK</FONT>
<BR><FONT SIZE=2>> Scan line length: 215mm</FONT>
<BR><FONT SIZE=2>> Recording length: A4 (297mm)</FONT>
<BR><FONT SIZE=2>> Minimum scan line time: 0ms</FONT>
<BR><FONT SIZE=2>> Get at 9600</FONT>
<BR><FONT SIZE=2>> Changed from phase 3 to 5</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 0 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1699.92 (56)</FONT>
<BR><FONT SIZE=2>> Training failed (only 120 1's)</FONT>
<BR><FONT SIZE=2>> Fast carrier training failed</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 0 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1700.14 (4834)</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 0 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> 0 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1699.87 (56)</FONT>
<BR><FONT SIZE=2>> Fast carrier trained</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 27 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1700.01 (4848)</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 27 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1699.69 (56)</FONT>
<BR><FONT SIZE=2>> Training failed (only 114 1's)</FONT>
<BR><FONT SIZE=2>> Fast carrier training failed</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 27 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Coarse carrier frequency 1699.84 (2904)</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 27 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> Fast carrier up</FONT>
<BR><FONT SIZE=2>> Fast carrier down</FONT>
<BR><FONT SIZE=2>> 27 bad bits in trainability test</FONT>
<BR><FONT SIZE=2>> >>> FTT: 44</FONT>
<BR><FONT SIZE=2>> ^M -- Channel 2, span 2 got hangup</FONT>
<BR><FONT SIZE=2>> [03/22/04 13:52:57.848] DEBUG[507930]: File app_rxfax.c, Line 237 </FONT>
<BR><FONT SIZE=2>> (rxfax_exec): Got hangup</FONT>
<BR><FONT SIZE=2>> [03/22/04 13:52:57.848] DEBUG[507930]: File pbx.c, Line 1744 </FONT>
<BR><FONT SIZE=2>> (ast_pbx_run): Extension 8663222818, priority 1 returned normally even </FONT>
<BR><FONT SIZE=2>> though call was hung up</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> Thank you.</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> Alex Zarubin</FONT>
<BR><FONT SIZE=2>> Webley Systems</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> -----Original Message-----</FONT>
<BR><FONT SIZE=2>> From: Steve Underwood [<A HREF="mailto:steveu@coppice.org">mailto:steveu@coppice.org</A>]</FONT>
<BR><FONT SIZE=2>> Sent: Monday, March 22, 2004 8:14 AM</FONT>
<BR><FONT SIZE=2>> To: asterisk-users@lists.digium.com</FONT>
<BR><FONT SIZE=2>> Subject: [Asterisk-Users] SoftFAX/spandsp</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> Hi all,</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> If you have had trouble with multiple concurrent channels running</FONT>
<BR><FONT SIZE=2>> app_rxfax or ap_txfax, where was a silly bug. Updated versions are</FONT>
<BR><FONT SIZE=2>> available at <A HREF="ftp://ftp.opencall.org/pub/spandsp" TARGET="_blank">ftp://ftp.opencall.org/pub/spandsp</A></FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> The latest spandsp-0.0.1f seems to working for quite a lot of people. I</FONT>
<BR><FONT SIZE=2>> guess there will still be plenty more compatibility issues to deal with,</FONT>
<BR><FONT SIZE=2>> though. If you try this software and find reliability problems try</FONT>
<BR><FONT SIZE=2>> checking for frame slips. A single frame slip in the audio stream will</FONT>
<BR><FONT SIZE=2>> kill a fax transfer. This is true for any fax modem, and is not a</FONT>
<BR><FONT SIZE=2>> spandsp issue.</FONT>
<BR><FONT SIZE=2>></FONT>
<BR><FONT SIZE=2>> Regards,</FONT>
<BR><FONT SIZE=2>> Steve</FONT>
<BR><FONT SIZE=2>></FONT>
</P>
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