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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Fax never works well over IP but if you
have the customer reduce the fax machine’s baud rate to 9600 (if capable)
it has more consistent results….we always propose our desktop fax
solution as a replacement or have them keep it as a POTS line to be shared with
alarm/modem/cr card/fax…this also gives them a disaster line in the event
of no IP or power, they can plug in any old SLT phone to make an emergency
call.<o:p></o:p></span></font></p>
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<p class=MsoNormal style='mso-element:frame'><st1:PersonName w:st="on"><strong><b><font
size=3 color=navy face="Times New Roman"><span style='font-size:12.0pt;
color:navy'>Todd Wolf</span></font></b></strong></st1:PersonName><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><br>
President / COO</span></font><font color=navy><span style='color:navy'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='mso-element:frame'><font size=1 color=navy
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:navy'>207.591.6900</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
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<p class=MsoNormal style='mso-element:frame'><font size=1 color=navy
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:navy'>Direct:</span></font><font
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face=Arial><span style='font-size:7.5pt;font-family:Arial;color:navy'>Fax:</span></font><font
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<p class=MsoNormal style='mso-element:frame'><font size=1 color=navy
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:navy'>207.591.6919</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
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<p class=MsoNormal style='mso-element:frame'><font size=1 color=navy
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:navy'><a
href="mailto:twolf@voipnettechnologies.com">twolf@voipnettechnologies.com</a><br>
<a href="http://www.voipnettechnologies.com">www.voipnettechnologies.com</a></span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
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color:black'> </span></font><font size=2 color=green face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:green'>Save Paper - Do you
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
voiceops-bounces@voiceops.org [mailto:voiceops-bounces@voiceops.org] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Jeff Anderson<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, December 15, 2010
5:54 PM<br>
<b><span style='font-weight:bold'>To:</span></b> voiceops@voiceops.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [VoiceOps] Dynamic T1
Faxing over IP</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>We are experiencing a fair amount of heart burn attempting to support
faxing over our Dynamic T1 product. Some customers it works great and others
have frequent problems.<br>
<br>
We currently support dynamic T1's using both Adtran TA900 series and Cisco
IAD2400 services routers. The customers fax machines will connect to their PBX
that has a PRI to an IAD/TA. We have the IAD/TA configured for SIP signaling to
an Acme SBC selecting T.38 as the preferred codec with fallback to g.711
pass-through. We can force a slower speed, disable error correction, disabled
VAD but in the end still have very inconsistent results. From a network
perspective the QoS is matching and queuing correctly, the circuits are clean
and the IP SLA gives us no reason to believe they are having any network drops
or jitter.<br>
<br>
I was wondering if others who have experience with faxing over IP could share
what they have learned works best or anything else that may be helpful.<br>
<br>
Any help is greatly appreciated.<br>
<br>
Thanks,<br>
<br>
Jeff<o:p></o:p></span></font></p>
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