VoIP
Nowadays telephony is still used under a specific network integration that is not all IP powered like PSTN numbering and specific rules to manage...
Most people think that the Digital Revolution in Telephony has already occurred when voice over IP communications has progressively replaced landline connections. Currently, most...
How to Start a VoIP Business: A Six-Stage Guide to Becoming a VoIP Service Provider is the first book which explains in plain English...