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Gebunden. Zustand: New. 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 reality check. Now, manufacturers and service providers are drawing on what they have learnt from.

Gebunden. Zustand: New. Olivier Hersent, Consultant, France Olivier Hersent was the founder of NetCentrex and former CTO of Comverse Inc., and previously worked as an R&D Engineer at Orange/France Telecom. He studied finance, quantum physics and psychology at the Ecole Polytechniq.

Zustand: New. 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 infrastructureThis book provides a comprehensive and practical overview of the technology behind Internet .