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<p>Has anyone had an in depth conversation with any of these alarm vendors with what there move is going to be with everyone moving towards packet based voice switching which you can pretty much guarantee will break modems in general somewhere down the line.
I just recently ran into an issue with an alarm line, where yes we do have some lines running on calix h.248 back to a meta switch and routed out to our tdm tandem trunks. Our first thought was to look into the QOS make sure things are set correctly ect,
after days of testing we found that the call being terminated on the other side of the tandem had qos issues. I can only see these type of issue increasing as time passes. Thoughts?</p>
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<p class="p1"><span class="s1" style="font-size:11pt">Carlos Alcantar</span></p>
<p class="p1"><span class="s1" style="font-size:11pt">Race Communications / Race Team Member </span></p>
<p class="p1"><span class="s1" style="font-size:11pt">1325 Howard Ave. #604, Burlingame, CA. 94010</span></p>
<p class="p2"><span class="s2" style="font-size:11pt">Phone: +1 415 376 3314 / <a href="mailto:carlos@race.com"><span class="s3" style="font-size:11pt">carlos@race.com</span></a> / <a href="http://www.race.com/"><span class="s3" style="font-size:11pt">http://www.race.com</span></a></span></p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> VoiceOps <voiceops-bounces@voiceops.org> on behalf of Paul Timmins <paul@timmins.net><br>
<b>Sent:</b> Wednesday, August 26, 2015 9:42 PM<br>
<b>To:</b> Nathan Anderson<br>
<b>Cc:</b> voiceops@voiceops.org<br>
<b>Subject:</b> Re: [VoiceOps] ADT Alarms Special Dialing?</font>
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<div>Especially curious if that Broadsoft by chance is hooking to a Taqua T7000 running RFC2833 DTMF.
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<div class="">I know of some bugs if so.</div>
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<div class="">On Aug 27, 2015, at 00:22, Nathan Anderson <<a href="mailto:nathana@fsr.com" class="">nathana@fsr.com</a>> wrote:</div>
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<span class="" style="font-size:11pt; font-family:Calibri,sans-serif; color:rgb(31,73,125)">Wait, weren't we talking about turning *off* both OOB DTMF (RFC2833) as well as T.38, because both protocol could potentially mess with either of the modulation schemes
(DTMF and FSK, respecitvely) that ADT might use?</span></div>
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<span class="" style="font-size:11pt; font-family:Calibri,sans-serif; color:rgb(31,73,125)">If the Adtran 5000 does everything inband and you are doing PCM/uLaw audio end-to-end, it seems to me that looking to your MSAN for potential problems is a red herring.
You said the TA5K is getting fed by a Broadsoft switch. How does the Broadsoft tie into the PSTN? If it's SIP trunks all the way down, how do you know that the Broadsoft (or even something upstream of it…whatever sits between it and something TDM) isn't
trying to be clever and decode the in-band DTMF it gets from the TA5K and re-encode them as RFC2833 signals before passing them on?</span></div>
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<span class="" style="font-size:11pt; font-family:Calibri,sans-serif; color:rgb(31,73,125)">Nathan Anderson</span></div>
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<span class="" style="font-size:11pt; font-family:Calibri,sans-serif; color:rgb(31,73,125)">First Step Internet, LLC</span></div>
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<span class="" style="font-size:11pt; font-family:Calibri,sans-serif; color:rgb(31,73,125)"><a href="mailto:nathana@fsr.com" class="" style="color:purple; text-decoration:underline">nathana@fsr.com</a></span></div>
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<b class=""><span class="" style="font-size:10pt; font-family:Tahoma,sans-serif">From:</span></b><span class="" style="font-size:10pt; font-family:Tahoma,sans-serif"><span class="Apple-converted-space"> </span>VoiceOps [<a href="mailto:voiceops-bounces@voiceops.org" class="">mailto:voiceops-bounces@voiceops.org</a>]<span class="Apple-converted-space"> </span><b class="">On
Behalf Of<span class="Apple-converted-space"> </span></b>Colton Conor<br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, August 26, 2015 7:27 PM<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span>Paul Timmins<br class="">
<b class="">Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:voiceops@voiceops.org" class="">voiceops@voiceops.org</a><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [VoiceOps] ADT Alarms Special Dialing?</span></div>
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Know anything about other vendors besides Adtran and Zhone? What about Calix and ALU? Do their POTs/Combo cards support T.38 and RFC-2833? </div>
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On Mon, Aug 10, 2015 at 6:21 PM, Paul Timmins <<a href="mailto:paul@timmins.net" target="_blank" class="" style="color:purple; text-decoration:underline">paul@timmins.net</a>> wrote:</div>
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On 08/10/2015 06:36 PM, Colton Conor wrote:</div>
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Paul,<br class="">
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So is this just a limitation of Adtran's implementation of SIP on the 5000, or are all MSAN's from Vendors like Calix, Zhone, and ALU the same way?</p>
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Specific to the 5k. We have some older Zhone equipment that does T.38 and RFC-2833 and mid call re-invites just fine. It crashes the web interface hard when we try an MLT, but such is life.<span class="" style="color:rgb(136,136,136)"><br class="">
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