IP telephony
Bill Douskalis
IP telephony : the integration of Robust VoIP services by Bill Douskalis - New Delhi Pearson Education 2002 - viii, 331p.
9788178082851
Voice telephony--control
Internet telephony
Computer networks
621.386 D749i
IP telephony : the integration of Robust VoIP services by Bill Douskalis - New Delhi Pearson Education 2002 - viii, 331p.
9788178082851
Voice telephony--control
Internet telephony
Computer networks
621.386 D749i