Computer telephony:
Tittel, Ed
Computer telephony: Automating home offices and small businesses Ed Tittel; Dawin Rader - Boston: AP Professional 1996 - 307p.
0 12 691411 7
004.6 21 / TIT
Computer telephony: Automating home offices and small businesses Ed Tittel; Dawin Rader - Boston: AP Professional 1996 - 307p.
0 12 691411 7
004.6 21 / TIT