[nSLUG] SIP VoIP service with NS phone number

Hatem Nassrat hnassrat at gmail.com
Wed Sep 16 10:02:39 ADT 2009

On Wed, Sep 16, 2009 at 9:54 AM, Daniel Morrison <draker at gmail.com> wrote:
> 2009/9/16 Hatem Nassrat <hnassrat at gmail.com>:
>> Its not just a voip phone, its basically a normal Cell Phone (GSM)
>> with ability to access the internet via WIFI and 3G.
> If you have GSM, why would you use VOIP? Doesn't GSM have better
> coverage and better quality at cheaper rates? (Cheaper, not because
> VOIP rates are expensive, but because IP traffic on a GSM network is
> expensive. Of course you could use the Wifi + VOIP to get cheap long
> distance, but in that case you would require a good wifi connection,
> so the need for the webcallback is gone).

Ok, webcallback does not use your own internet connection. The voip
provider initiates two calls and joins them. To make it simple, lets
ignore the API for a moment. There would be a login page on your voip
provider website. you would login and you will see a webcallback form.
You will enter the first number as your cell phone number, and the
second number as the person you want to call, and then click on
submit. The server would initiate two calls and join the calls, thus
you no longer need an internet connection.

Hatem Nassrat

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