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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I was thinking why are we still using fax machines….Most fax
machines do other protocols like scan to pdf/smtp, etc…<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Like 20 years ago I would you ask “Carburetors have their advantages
why use fuel injection?”<o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Lelio Fulgenzi<br>
<b>Sent:</b> Tuesday, May 19, 2009 5:44 PM<br>
<b>To:</b> Nick Matthews<br>
<b>Cc:</b> cisco-voip@puck.nether.net; STEVEN CASPER<br>
<b>Subject:</b> Re: [cisco-voip] Fax Machines having a very delayed response<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>I think people are really wanting the DSP that can do >14.4
speeds.<br>
<br>
PBX's analog lines have had this for ever. Even hitting speeds of 100kbps if
not higher.<br>
<br>
ROLM had it's advantages.<br>
<br>
---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
"Bad grammar makes me [sic]" - Tshirt<br>
<br>
<br>
----- Original Message -----<br>
From: "Nick Matthews" <matthnick@gmail.com><br>
To: "Lelio Fulgenzi" <lelio@uoguelph.ca><br>
Cc: "STEVEN CASPER" <SCASPER@mtb.com>, cisco-voip@puck.nether.net<br>
Sent: Tuesday, May 19, 2009 5:29:06 PM GMT -05:00 US/Canada Eastern<br>
Subject: Re: [cisco-voip] Fax Machines having a very delayed response<br>
<br>
Technically the SG3-G3 feature for MGCP T38 is supposed to do this for<br>
you, to prevent having to program fax machines. It blocks the SG3<br>
tones and waits until the fax machines renegotiates G3. This can have<br>
its own issues though.<br>
<br>
It's worth noting that the DSPs do not guarantee any speed faster than<br>
14400 for modem passthrough, but if you are going to try and get<br>
faster speeds it's the only way and it can be done under some<br>
circumstances.<br>
<br>
You won't do SG3 relay, but you may be able to get SG3 to work through<br>
modem passthrough basically.<br>
<br>
<br>
-nick<br>
<br>
On Tue, May 19, 2009 at 2:24 PM, Lelio Fulgenzi <lelio@uoguelph.ca>
wrote:<br>
> Correct. Got to turn off SG3 (33.3 to 14.4 and turn off error correction).<br>
><br>
><br>
><br>
> ---<br>
> Lelio Fulgenzi, B.A.<br>
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
> "Bad grammar makes me [sic]" - Tshirt<br>
><br>
><br>
> ----- Original Message -----<br>
> From: "STEVEN CASPER" <SCASPER@mtb.com><br>
> To: "Nick Matthews" <matthnick@gmail.com><br>
> Cc: cisco-voip@puck.nether.net<br>
> Sent: Tuesday, May 19, 2009 2:09:04 PM GMT -05:00 US/Canada Eastern<br>
> Subject: Re: [cisco-voip] Fax Machines having a very delayed response<br>
><br>
> You still can not use SG3 through a gateway though, right?<br>
><br>
> By the way thanks for your various fax posts, they have been very useful<br>
><br>
> Steve<br>
><br>
> Please consider the impact on our environment before printing this e-mail.<br>
><br>
>>>> Nick Matthews <matthnick@gmail.com> 5/18/2009 8:46 PM
>>><br>
> It's possible that the SG3 to G3 conversion that is on by default in<br>
> 12.4(20)T and later is blocking the high speed fax tones in the<br>
> beginning and it takes a while for the low speed to come through.<br>
><br>
> To play devil's advocate on the MGCP vs SCCP debate, MGCP is actually<br>
> more feature rich when it comes to fax machines. And since your fax<br>
> machines aren't going to be doing hold/resume and group pickup, it's<br>
> rather irrelevant. Possibly more administrative overhead, but MGCP
is<br>
> probably a better fit for fax machines, although H323 is probably even<br>
> better.<br>
><br>
> To disable the SG3 conversion:<br>
> no mgcp fax-relay sg3-to-g3<br>
> no mgcp fax-relay ans-disable<br>
><br>
> Worth a shot anyways.<br>
><br>
> There were a some MGCP T38 bugs in 12.4(15)T8 and 12.4(22)T1 you may<br>
> want to watch out for also.<br>
><br>
><br>
> -nick<br>
><br>
> On Mon, May 18, 2009 at 8:38 PM, Erick Bergquist
<erickbee@gmail.com> wrote:<br>
>> What do you mean by "delayed" response?<br>
>><br>
>> Do you have the FAX machine Error Correction Mode turned off, and<br>
>> reduced the FAX machine speed to 14400 or 9600?<br>
>><br>
>> Are both gateways (VG224 where FAX machine is) and the PSTN gateway<br>
>> set for same FAX method (passthrough or relay).<br>
>><br>
>> Is the PSTN Gateway that the calls leave on also MGCP?<br>
>> Can you FAX internally between 2 FAX machiines on the VG224 fine?<br>
>> _______________________________________________<br>
>> cisco-voip mailing list<br>
>> cisco-voip@puck.nether.net<br>
>> https://puck.nether.net/mailman/listinfo/cisco-voip<br>
>><br>
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