Computer telephony integration /
Yarberry, William.
Computer telephony integration / William A. Yarberry, Jr. - Boca Raton, FL : Auerbach, 1999. - xi, 296 p. : ill.
0849399955 (alk. paper)
Internet telephony.
Digital telephone systems.
621.385 / WIL
Computer telephony integration / William A. Yarberry, Jr. - Boca Raton, FL : Auerbach, 1999. - xi, 296 p. : ill.
0849399955 (alk. paper)
Internet telephony.
Digital telephone systems.
621.385 / WIL