Dornheim, S
Managing the PSTN transformation: A blueprint for a successful migration to IP-based networks/ Print. By Dornheim, S.- - United State: CRC PRESS Taylor & Francis Group, C 2015 - xxxiii,190p.: ill.; 28cm
9781498701051
B-40989
Internet telephony
Telephone systems
TK5105.8865 / D67 2015
Managing the PSTN transformation: A blueprint for a successful migration to IP-based networks/ Print. By Dornheim, S.- - United State: CRC PRESS Taylor & Francis Group, C 2015 - xxxiii,190p.: ill.; 28cm
9781498701051
B-40989
Internet telephony
Telephone systems
TK5105.8865 / D67 2015