Download IP Telephony Interconnection Reference: Challenges, Models, by Mohamed Boucadair, Isabel Borges, Pedro Miguel Neves, Olafur PDF

By Mohamed Boucadair, Isabel Borges, Pedro Miguel Neves, Olafur Pall Einarsson

Addressing the expansion of IP telephony carrier choices in the company and home realm, IP Telephony Interconnection Reference: demanding situations, types, and Engineering examines the technical and regulatory concerns on the topic of IP telephony interconnection on the huge scale. It describes company and interconnection types, stories rising architectures comparable to IMS and TISPAN, identifies commonly-encountered concerns, and offers suggestions to technical matters. The authors supply a close assessment of SPEERMINT job and proposed structure, the present paintings undertaken in i3 discussion board, and using ENUM for interconnection—describing practices in either fastened and cellular networks. one of the first books to provide details on interprovider communications and interconnection of IP telephony clouds, the textual content provides a transparent and up to date photograph of the VoIP protocol jungle. This reference provides an outline of interconnection practices in PSTN/mobile. It proposes options for overcoming carrier engineering matters and encompasses a set of techniques to ease the proliferation of interconnection agreements and schemes. protecting you on top of things with contemporary advancements in IP telephony, the publication allows the certainty of the technical and regulatory necessities had to offer international prone for your clients and effectively navigate the approaching migration to a very IP-based version.

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Extra info for IP Telephony Interconnection Reference: Challenges, Models, and Engineering

Sample text

Con­ sidering a call that initiates in the IP network and terminates at the PSTN, the Breakout Gateway Control Function (BGCF) is responsible to find out into which network it should break out to the circuit switch (CS) domain/PSTN (usually the destiny nearest domain).

2 Fixed VoIP VoIP had gained a lot of support in many consumer markets resulting in a strong growth since 2004. As forecasted, this growth has accelerated on a worldwide basis with the potentially large Chinese and Indian markets that are starting to adopt this technology. Between 2004 and 2005, the worldwide growth was 85 percent and between 2005 and 2006 it was 114 percent. In 2008, the United States was ahead of Japan mainly due to multiplay services provided by the cable companies. 4 billion in 2005, and $5 billion in 2007.

PSTN customers spent an average of two hours 19 T r a f fi c A n a lysis and 51 minutes (2 h 51 min) a month on the phone in the second quarter of 2010, while VoIP customers spent an average of 5 hours and 3 minutes (5 h 3 min) a month. 5. Of the Portuguese companies authorized to provide this service, 29 percent were operational. Of these, six provided direct access only, two provided indirect access only, and the rest provided services using both types of access. With respect to providers of voice over Internet services at a fixed location and according to conditions perceived by users as being equivalent to traditional FTS (Fixed Telecommunications Services), at the end of the third quarter of 2010, there were seven operational providers.

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