Grandstream Networks GSM gateway Network Card User Manual


 
Februaray-2006 Page 32 / 42 MasterVoIP VoIP to GSM Gateway
1.
From your cellular phone, you can dial to the VoIP device
.
2.
The GSM module in the VoIP device provides you with
a dial tone of Voice over Internet Protocol.
3
. You can now dial and make a telephone connection by way of the internet which has near 0 cost.
Main usage features:
Up to
32 cellular phones
can use the VoIP device for connection to the internet in parallel.
A local desktop telephone can be connected to the VoIP device. The desktop phone can send and receive calls via
the internet, as well as via the GSM network (according to telephone prefixes).
A
follow me
function can be activated to serve the
desktop phone
.
If two systems install in remote offices a call from a mobile in one location let say N.Y can call a remote
cellular user let say in Japan in the cost of a local enterprise Cellphone cost only!