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By Ben Balbo, Harry Fuecks, Davey Shafik, Ligaya Turmelle, Matthew Weler O'Phinney
Within the NGN global, no more true phrases are spoken than "the destiny is now." And the contest within the details networking area will in simple terms accentuate within the subsequent 5-10 years. opting for the right kind NGN-VAS approach now will set your organization aside. worth additional providers for subsequent new release Networks examines the search for the genuine extra worth in smooth communique platforms. the writer covers greater than simply the know-how itself, but additionally examines the way it is getting used and the way it may be used to achieve a strategic virtue. The ebook starts off with a SOTW research for PSTN/GSM operators and new entrants and the threats they are going to certainly face. the writer examines the basics of actual communique companies and the provider companies' beginning place, then takes you on a travel in the course of the panorama of NGN criteria, contrasting the 3GPP IMS structure with that of IETF, UMA, and OMA. He discusses functional how one can construct an NGN SDP and the basic enterprise facets keen on this company. The booklet highlights how, technically, the NGN should be interconnected, or glued, to the present GSM/PSTN infrastructure, justifying the alternative of protocols and community structure. It additionally describes normal ideas, architectural necessities, and applied sciences in glossy VAS platform and new VAS for the NGN when it comes to community implementation, finish person event, company scope, and cost/revenue projections. yet is NGN only a online game of investments in apparatus, of CAPEX and OPEX mark downs? Is the so-called triple play only a subject of promoting, partnerships, and mergers? How will the marketplace play out? the place will the NGN and VAS finally move? And extra importantly, what's your NGN-VAS process? by way of addressing those questions and extra, this e-book prepares you for fulfillment within the rising telecommunications surroundings.
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Sample text
The MS is not roaming out to a foreign SGSN), active PDP contexts are seamlessly handed over from the old to the new SGSN. The Gateway GPRS Support Node (GGSN) forms the permanent point of interconnection with Public Data Networks (PDN) such as the Internet. PDP contexts are created between the SGSN and GGSN using a protocol called GTP (GPRS Tunneling Protocol). The GGSN is informed by GTP if the UE moves to a new SGSN while a PDP context is active. The GGSN is also capable to query the HSS to find the UE’s current SGSN, for network-requested PDP context activation toward that UE.
Following the registration, the network (SIP Proxy server, UAC) can direct incoming session requests (SIP INVITE), messages (SIP MESSAGE) or capability discovery requests (SIP OPTIONS) from the entire world to the destination UA (more specifically its UAS side). com) regardless of their network location. com). External sources will find these SIP servers by querying the public Domain Name Server (DNS) infrastructure, as explained in RFC 3263 (Locating SIP servers). arpa), in an attempt to let SIP servers discover the next hop to reach any telephone number on the planet.
5% year-on-year growth. With an average system lifetime of 12 quarters, total installed capacity should be at around 7 times that number (4 2 1). § A zettabyte more than 1021 bytes. Basic Forces N 23 Triggered communications are a relative novelty. SMS, e-mail, IM and RSS are examples where the communication is accomplished when the recipient user “surfaces” (powers on the device or launches a program). Different events could be imagined to trigger such communications, from world news, over stock quote changes, a car accident, to a particular location or mood of the recipient user.