Digital Telephony and Network Integration /
Keiser, Bernhard
Digital Telephony and Network Integration / - New York : Van Nostrand Reinhold Co., c1985. - xvii, 451 p. : ill. ;
978-0412098819
Digital telephone systems.
Engineering
Telecommunication
621.385
Digital Telephony and Network Integration / - New York : Van Nostrand Reinhold Co., c1985. - xvii, 451 p. : ill. ;
978-0412098819
Digital telephone systems.
Engineering
Telecommunication
621.385