Dear Nasir
The gateway is unbranded.
What I am trying to say that I can make calls to pstn VIA my gateway. But I can not get incoming calls from any PSTN as my gateway does not have a PSTN line connected to it. Since my gateways is not known on the pstn how can it be called from pstn ???.
Its like you can make pc to phone calls but how can you make phone to PC calls ??.
Thanks