<div dir="ltr"><div>I am preferring PRI card because firstly, its cost is less than a VOIP-GSM gateway ( A VOIP-GSM gateway supporting 40 channels costs around $900 while a single PRI card that supports 30 channels cost around $500 ) and secondly, the voice quality is high. PRI line also does the automatic channel allocation when a particular channel is busy.</div><div><br></div><div>Regards,<br>Deepika</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 4, 2017 at 2:54 PM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><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"><div><div class="h5">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"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><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_9163414336273836423m_-7836366835224071155gmail_signature" data-smartmail="gmail_signature">Regards<br>Deepika<br><a href="https://www.iiitd.edu.in/~deepikay/" target="_blank">https://www.iiitd.edu.in/~deep<wbr>ikay/</a></div>
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