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. Regards, Deepika On Thu, May 4, 2017 at 2:54 PM, Giovanni Maruzzelli <gmaruzz@gmail.com> wrote:
For PRI you use Sangoma or Patton.
But, why don't you use an hardware gateway sip<->gsm?
It would save you very big money.
Check on ebay and google, there are many of them, you put SIMs inside, and you are good to go.
-giovanni
sent from mobile cell: +39 347 266 56 18 Giovanni Maruzzelli OpenTelecom.IT
Il 04 mag 2017 11:13, "Deepika Yadav" <deepikay@iiitd.ac.in> ha scritto:
Hi,
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.
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.
I am seeking recommendation on following points:
1. Which card should I buy that is most easily configurable with the Freeswitch i.e. company and type. 2. 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?
Regards, Deepika
-- Regards Deepika https://www.iiitd.edu.in/~deepikay/
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