<div dir="ltr">So how does this GSM stuff work in the USA? Would I got buy a cell phone plan from someone like AT&T or T-Mobile, and then insert the SIM into these devices. The device would then covert the audio from GSM to SIP, and then I could use it like a SIP trunk?<div><br></div><div>What is the advantage of doing this over just buying a pure SIP trunk from an internet provider? </div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, May 10, 2017 at 4:35 AM, David Villasmil <span dir="ltr"><<a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">There's another chinese brand that has a 32 port, I've used it, works pretty well, i think it's "GoIP" or something.<div class="HOEnZb"><div class="h5"><br><div class="gmail_quote"><div dir="ltr">On Wed, May 10, 2017 at 10:39 AM Bipin Patel <<a href="mailto:bipin@xbipin.com" target="_blank">bipin@xbipin.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<font size="-1"><font face="Arial">hi,<br>
<br>
we use matrix boxes but 4 port ones, they work quiet well<br>
<br>
<br>
</font></font>
<div class="m_4747617608464686624m_4151893210022548241moz-signature">
Regards,<br>
Bipin<br>
<br>
<br>
<hr>
</div>
<div class="m_4747617608464686624m_4151893210022548241moz-cite-prefix"></div></div><div bgcolor="#FFFFFF" text="#000000"><div class="m_4747617608464686624m_4151893210022548241moz-cite-prefix">-------- Original Message --------<br>
Subject: Re: [Freeswitch-users] Freeswitch PRI support<br>
From: Deepika Yadav <a class="m_4747617608464686624m_4151893210022548241moz-txt-link-rfc2396E" href="mailto:deepikay@iiitd.ac.in" target="_blank"><deepikay@iiitd.ac.in></a><br>
To: FreeSWITCH Users Help
<a class="m_4747617608464686624m_4151893210022548241moz-txt-link-rfc2396E" href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank"><freeswitch-users@lists.<wbr>freeswitch.org></a><br></div></div><div bgcolor="#FFFFFF" text="#000000"><div class="m_4747617608464686624m_4151893210022548241moz-cite-prefix">
Date: 5/10/2017, 11:02:49 AM<br>
</div></div><div bgcolor="#FFFFFF" text="#000000">
<blockquote type="cite">
<div dir="ltr">Hi,
<div><br>
</div>
<div>I searched some gateways online. The ones available at ebay
are cheap, the following link shows a gateway supporting 32
SIMS for $859 :</div>
<div><br>
</div>
<div><a href="http://www.ebay.com/itm/GoIP-32-32-Port-VoIP-GSM-Gateway-with-32-External-Antenna-/291811535942" target="_blank">http://www.ebay.com/itm/GoIP-<wbr>32-32-Port-VoIP-GSM-Gateway-<wbr>with-32-External-Antenna-/<wbr>291811535942</a><br>
</div>
<div><br>
</div>
<div>However, when I contacted a company called "Matrix Telecom
Solution", they gave the quote of $4150 for similar number of
SIM support. On asking them to compare the two gateways, they
said that the one available at ebay is a Chinese gateway about
which they are apprehensive for the quality, warranty and
working.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Deepika</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, May 5, 2017 at 4:58 PM, Raymond
<span dir="ltr"><<a href="mailto:xxxman2008@126.com" target="_blank">xxxman2008@126.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><br>
<div>HI,</div>
<div><br>
</div>
<div>Regarding this. i have asked some question of
module "GSMOpen". </div>
<div><br>
</div>
<div>In fact ,i want to make Freeswitch box as "GSM VOIP
Gateway" by using "gsmopen". But...seems no one help
me . :-(( . If it worked , can save more money than
hardware gsm voip gateway ( GOIP ).</div>
<span class="m_4747617608464686624m_4151893210022548241HOEnZb"><font color="#888888">
<div><br>
</div>
<div>Raymond</div>
</font></span>
<div>
<div class="m_4747617608464686624m_4151893210022548241h5"><br>
<br>
<br>
At 2017-05-04 17:24:13, "Giovanni Maruzzelli" <<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>>
wrote:<br>
<blockquote id="m_4747617608464686624m_4151893210022548241m_-4107753047036311900isReplyContent" style="PADDING-LEFT:1ex;MARGIN:0px 0px 0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
<div dir="auto">For PRI you use Sangoma or Patton.
<div dir="auto"><br>
</div>
<div dir="auto">But, why don't you use an hardware
gateway sip<->gsm?</div>
<div dir="auto"><br>
</div>
<div dir="auto">It would save you very big money.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Check on ebay and google, there
are many of them, you put SIMs inside, and you
are good to go.</div>
<div dir="auto"><br>
</div>
<div dir="auto">-giovanni</div>
<div dir="auto"><br>
<br>
<div data-smartmail="gmail_signature" dir="auto">sent
from mobile<br>
cell: +39 347 266 56 18<br>
Giovanni Maruzzelli<br>
OpenTelecom.IT</div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">Il 04 mag 2017 11:13,
"Deepika Yadav" <<a href="mailto:deepikay@iiitd.ac.in" target="_blank">deepikay@iiitd.ac.in</a>>
ha scritto:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi,
<div><br>
</div>
<div>I am using Freeswitch in an application
that initiates conference calls amongst 20
users in cellular network (mobile phones
in GSM network). Currently, for the
VOIP-GSM gateway, we are using the service
from a company called Doorvaani. </div>
<div><br>
</div>
<div>But, since, the cost of call estimates
to be high and we cannot debug the call
drops; we are thinking to buy our own PRI
card. </div>
<div><br>
</div>
<div>I am seeking recommendation on
following points:</div>
<div>
<ol>
<li>Which card should I buy that is most
easily configurable with the
Freeswitch i.e. company and type. <br>
</li>
<li>Reference on how should I start to
make Freeswitch configure with the PRI
card and start sending and receiving
calls. For the current gateway service
in use, I simply put the
authentication credentials for the
corresponding VOIP line offered by the
company Doorvaani in the external SIP
Profile. In case of PRI, what all
changes are needed?</li>
</ol>
<div>Regards,</div>
<div>Deepika</div>
<div><br>
</div>
-- <br>
<div class="m_4747617608464686624m_4151893210022548241m_-4107753047036311900m_-7836366835224071155gmail_signature" data-smartmail="gmail_signature">Regards<br>
Deepika<br>
<a href="https://www.iiitd.edu.in/%7Edeepikay/" target="_blank">https://www.iiitd.edu.in/~<wbr>deepikay/</a></div>
</div>
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<br>
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</blockquote>
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</blockquote>
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<br>
<br>
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<div><br>
</div>
-- <br>
<div class="m_4747617608464686624m_4151893210022548241gmail_signature" data-smartmail="gmail_signature">Regards<br>
Deepika<br>
<a href="https://www.iiitd.edu.in/%7Edeepikay/" target="_blank">https://www.iiitd.edu.in/~<wbr>deepikay/</a></div>
</div>
<br>
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<pre>______________________________<wbr>______________________________<wbr>_____________
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