By Francisco J. Hens, José M. Caballero
“Triple Play”is a mix of net entry, voice conversation (telephony), and leisure companies reminiscent of IP tv and video on demand.The erosion of the conventional voice provider, including the ever-increasing festival among businesses, is pushing the telecommunications in the direction of a big shift in its enterprise versions. shoppers wish extra companies in a extra versatile method. this present day, this shift can in simple terms be performed by means of providing converged providers outfitted round the net Protocol (IP). Triple Play, a package of voice, video, and knowledge prone for residential consumers, is the foundation of this new strategy.Hens and Caballero clarify how and why the telecommunications is dealing with this alteration, how to find, enforce and supply those new prone, and describes the expertise in the back of the converged community. Triple Play analyses a couple of company options to minimise bills, whereas migrating infrastructures and supplying new services.Triple Play:Describes the effortless recommendations of triple play carrier provision and offers distinctive technical info to spotlight key aspects.Discussed entry networks, shipping, signaling, carrier definition and company models.Covers the most recent techniques in Triple Play prone reminiscent of Ethernet within the First Mile (EFM), VDSL2 (Very excessive velocity DSL moment generation), pseudowires andMultiprotocol Label Switching (MPLS).Explores video recommendations (encoding, IPTV, VoD) along transmission and switching applied sciences (Ethernet, DSL, PON, NG-SDH).Includes a bankruptcy on IP Multimedia Subsystem (IMS) and on fixed/mobile convergence. Triple Play: development the Converged community for IP, VoIP and IPTV presents choice makers, engineers, telecommunications operators, community gear brands, installers and IT managers with an intensive figuring out of the adjustments of conventional voice carrier and its influence upon the telecommunications undefined.
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Additional info for Triple Play: Building the converged network for IP, VoIP and IPTV (Telecoms Explained)
LD-CELP introduces a delay of five samples. This result in a delay smaller than 1 ms that is not noticed by the human ear. 729. The CS-CELP algorithm works with blocks of 80 samples sampled at 8 kHz. For these blocks the codec computes optimum excitation, filter coefficients and gain parameters and assembles 80 bit frames that are sent to the destination. This results in a bit rate of 8 kbit/s. 729 codec is 15 ms. Chapter 2: IP Telephony 37 Table 2-1. 729 but with slightly worse performance Algorithm specifications for voice activity detection (VAD), discontinuous transmission (DTX) and comfort noise generation (CNG).
Another recent case of a failed convergence has been 3G, when wireless European operators paid a fortune to operate 3G networks that would also deliver a bundle of voice, data and video services. It must be frustrating when the new 3G services are sold as just offering low-cost calls. Therefore companies embracing bundling and convergence should take precautions to avoid repeating the same errors. Selected Bibliography  International Telecommunications Union - Development (ITU -D). Key Global Telecom Indicators for the World Telecommunications Service Sector.
But, will this strategy produce profits? The question is how to bundle multiple services for less money while combining both mobile and fixed networks. It is still too early to say if Triple Play will be commercially successful. It is a new strategy with many technical challenges and scalability problems ahead. Cable operators are not taking any risks at the moment because they are already one step ahead, as they have already added broadband access and voice to television, their core business. But we should not underestimate the greater variety of services that telcos can offer with the flexible IP-based architectures.