By Juliet Bates, Chris Gallon, Matthew Bocci, Stuart Walker, Tom Taylor
This ebook focuses mostly on allowing applied sciences for community convergence. A central goal is to teach the place parallel features exist in mounted and cellular voice community architectures and to give an explanation for how those capabilities can be mixed. The authors describe the parts of a destiny converged structure and look at the next key elements: QoS requisites, Proposed resolution Architectures, Protocol and Interface thoughts, Underlying community concerns and protection issues. The ebook additionally compares and describes projects from numerous criteria our bodies operating to simplify to a fresh structure and a standard set of protocols. The influence on a Multi Protocol Label Switching (MPLS) community, the popular approach to shipping for the center community, can be thought of intimately.
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Access to the Circuit Domain for standard GSM calls can continue, but eventually more and more circuit-switched services will be offered from the packet domain. The mobile operator is interested in the potential for expanding its service offerings, through a partnership with a ﬁxed operator. 4). 4 Wm UMA Network Controller (UNC) 3GPP AAA server Mobile upgrade from Release 99 to Release 4 Introduction 13 The Mobile Network Operator (MNO) is planning a package of Rich Services: • Availability – “on line” (objective), “don’t disturb” (personalised), “only urgent calls” (indicative) • Reachability – “In a call” (network state), “on a broadband connection” (network capabilities), “In the airport” (network location) • Location – “abroad” (roaming network), “in the station” (place), “00◦ 12’23”N– 21◦ 40’11“W” (coordinates) A variety of rich services can be offered by Application and Media Servers.
In the event of network congestion, the bandwidth managers provide a Connection Admission Control (CAC) function that protects calls in progress from being impacted by new call attempts. In addition, bandwidth managers also provide mechanisms to allow individual calls to receive preferential treatment in the event of an unforeseen network outage, thus ensuring that not all calls are degraded and that key government and emergency service communications can be maintained. A detailed discussion on QoS and bandwidth managers is provided in Chapter 8.
Chapter 2 explains how SIP Forking and its redirection services can be used to send incoming calls to more than one device and how to provide an efﬁcient location service. Chapter 6 includes an example of the Whisper connect service which allows the multimedia subscriber to determine who is calling him before deciding whether to interrupt his current call in order to take the new call. 3 Scenario 3 – A High-speed Internet Service Provider A new high-speed Broadband Internet Service Provider uses Local Loop Unbundling (LLU) to provide residential customers and businesses with a high-speed Internet service.
Converged Multimedia Networks by Juliet Bates, Chris Gallon, Matthew Bocci, Stuart Walker, Tom Taylor
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