ISDN
Kessler, Gary C. ; Southwick, Peter V
ISDN : concepts, facilities, and services / Gary C Kessler; Peter V Southwick - 3rd ed. - New York : McGraw-Hill , ©1997. - xxiv, 672 p. : ill. ; 24 cm.
9780071144308
HCL
Integrated services digital networks.
ISDN.
Telecommunications
Gary C Kessler
Communications
621.382 KES
ISDN : concepts, facilities, and services / Gary C Kessler; Peter V Southwick - 3rd ed. - New York : McGraw-Hill , ©1997. - xxiv, 672 p. : ill. ; 24 cm.
9780071144308
HCL
Integrated services digital networks.
ISDN.
Telecommunications
Gary C Kessler
Communications
621.382 KES