Voice over LTE EPS and IMS Networks 1st Edition by André Pérez ISBN 978-1848215344 1848215347

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Product details: 

ISBN 10:  1848215347

ISBN 13: 978-1848215344

Author: André Pérez 

Voice over LTE (Long Term Evolution) presents the mechanisms put in place in 4G mobile networks for the transportation of IP packets containing voice data and telephone signaling, as well as the technologies used to provide a telephone service in the IMS (IP Multimedia Sub-system) network.
Despite the difficulty connected to the handover of the 4G network to the 2G/3G network, a telephone communication will not be established on the 4G network. This book analyzes the technologies that have been put in place, such as CSFB (Circuit Service FallBack), an interim solution that enables a mobile connected to the 4G network to receive an alert transmitted by the 2G/3G network.
The book also goes on to develop the SIP (Session Information Protocol) on which the telephone signaling transferred by the 4G network is based, the IMS network that provides the service and defines the routing, the SRVCC (Single Radio Voice Call Continuity) mechanism that maintains communication and the TAS (Telephony Application Server) that supplies supplementary services.

Table of contents: 

1. The EPS Network.
2. The LTE Interface.
3. The CSFB Function.
4. SIP and SDP Protocols.
5. The IMS Network.
6. Telephone Services.
7. The SRVCC Function.

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Tags: André Pérez, Voice over LTE EPS, IMS Networks