Fone2all |
||||||||||||||||||
|
||||||||||||||||||
|
||||||||||||||||||
| Voice over IP (VoIP) in particular and Voice over Packet (VoP) in general have been advocated and studied since the mid 1970s. It was the advent of DSP technology for voice compression in the late 1980s and early 1990s that gave these services the impetus they needed to enter the mainstream. | ||||||||||||||||||