The Internet is surely the second most extensive machine on the planet, after the public switched telephone network (PSTN), and it is rapidly becoming as ubiquitous. In fact, the distinction between the two is fast diminishing as the vision of the unified telecommunication network begins to be realized, and telecommunication operators deploy voice over IP (VoIP) technology. One of the biggest issues involved in the transition from PSTN to VoIP is ensuring that the customer sees hears!) the best possible Quality of Service at all times. This is a considerable challenge for the network’s designers and engineers. [download]
Format : Ebook.Pdf
Tidak ada komentar:
Posting Komentar