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2011, 2nd ed., ISBN 9780470973080, xxxiii, 439
All you need to know about deploying VoIP protocols in one comprehensive and highly practical reference - Now updated with coverage on SIP and the IMS... 
Internet telephony | Convergence (Telecommunication) | Electronics & communications engineering | Communication, Networking and Broadcast Technologies | Computing and Processing
Book
2005, 1. Aufl., ISBN 9786610276318, 418
IP (internet protocol) Telephony, enabled by softswitches, is going to usher in a new era in telecommunications. By putting voice and data over one IP network,... 
Internet telephony | TCP/IP (Computer network protocol)
eBook
2001, ISBN 9780262133852, xii, 395
Book
2000, ISBN 9780071352215, xxiii, 468
Book
2000, ISBN 0072130822, xxiii, 468
Book
2011, 1. Aufl., ISBN 9780470665947, xvi, 219
This book provides a comprehensive view of the emerging standards for VoIP emergency calling from an International perspectiveIn this book, the authors provide... 
Communication, Networking and Broadcast Technologies | Signal Processing and Analysis | Telephone | Emergency reporting systems | Internet telephony
Book
2007, 2nd ed., ISBN 0596510489, 574
Book
2002, ISBN 9781587050756, xxxiii, 973
Book
2007, Communications engineering series, ISBN 0750679719, xx, 268
Wi-Fi telephony is the latest, most cost effective, and clearest way of carrying voice data wirelessly. The great news is that it can be integrated seamlessly... 
Internet telephony | Wireless LANs | Electronics & communications engineering
Book
2005, 1. Aufl., ISBN 9780470023624, xxii, 261
In 1999-2000, VoIP (Voice-over-IP) telephony was one of the most successful buzzwords of the telecom bubble era. However, in 2001-2003, VoIP faced a very tough... 
Technology | Telecommunications | Speech processing systems | Internet telephony
Book
2008, 1. Aufl., ISBN 9780470058534, xxi, 275
Group communication technologies enable users to form different types of mobile groups and to interact in real time with the participants of these groups.This... 
Communication, Networking and Broadcast Technologies | Multimedia communications | Internet telephony
Book
2007, 1. Aufl., ISBN 0470058552, xxix, 339
IMS Multimedia Telephony service has been standardized in 3GPP as the replacement of the circuit switched telephony service in cellular networks. The... 
Internet telephony | Cell phone systems | Communication, Networking and Broadcast Technologies | Computing and Processing | Mobile & Wireless Communications | Multimedia communications | Cellular telephone systems
Book
2015, ISBN 9781498701037, xxxiii, 201
While there are many scholarly books and papers that cover the technical issues behind the public switched telephone network (PSTN) migration, few books... 
Deutsche Telekom | Telephone systems | Economic aspects | Technological innovations | Internet telephony | Electronics & communications engineering | Digital & Wireless Communication | Communications System Design | Telecommunications | Internet telephonyects | Systems migration | Management
Book
2002, ISBN 3540005595, xvi, 764
Book
2007, ISBN 0750679719, xx, 268
RF and wireless engineers - design wireless phones that are faster, clearer, and more secure!. 
Internet telephony | Wireless LANs
Book