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Network Convergence and the NAT/Firewall Problems

whitepaper There are presently two standards for VoIP signaling: H.323 (from ITU-T) and SIP (Session Initiation Protocol from IETF). Voice over IP technology is fueling the rapid growth on network convergence. Most enterprises today sit behind Firewalls and...

Tags: firewalls

[11 May 2008]

Accurate High-Speed SONET/SDH Jitter Measurement

whitepaper Learn the principal sources of SONET/SDH jitter, the reasons previous testers gave such widely differing measurements, and the new ITU-T 0.172 process for accurately calibrating jitter signals.

Tags: optical networking, sonet sdh, jitter, signals

[10 Apr 2008]

PathNavigator: Deployment Guide

whitepaper PathNavigator is used to manage the call sessions between terminals, multipoint control units (MCU), and Gateways (GW), using both the H.323 and H.320 ITU communication protocols. The purpose of this paper is to describe the PathNavigator...

Tags: multimedia, processing, deployment, policy

[10 Apr 2008]

Satellite comms to bridge digital divide?

News Dr Hamadoun Touré, the International Telecommunications Union's (ITU) secretary-general, said satellite comms technology can play a vital role in connecting remote and isolated communities around the world.

Tags: satellite, digital divide, itu, ensuring

[28 Feb 2008]

Photos: Behind the scenes at Mobile World Congress 2008

Photo Dr Hamadoun Touré, secretary general of the ITU, was the sixth speaker. The world's biggest mobile phone trade show - Mobile World Congress 2008 - kicked off in Barcelona on 11 February. The annual show occupies Barcelona's La Fira exhibition...

Tags: mwc, android, hsdpa, mobile

[18 Feb 2008]

ITU Telecom World: Strategies for Reaching True Innovation

whitepaper This webcast discusses on what constitutes an NGN, and if they really are future-proof, how will vendors ever be able to sell significant infrastructure solutions in a post-NGN world.

Tags: telecom services

[13 Dec 2007]

ITU Telecom World: Sebastiano Tevarotto

whitepaper In this one-on-one interview, the presenter explains how convergence at the service level can be employed to meet customer needs.

Tags: telecom services

[13 Dec 2007]

ITU Telecom World: Brian Levy

whitepaper The presenter of this webcast talks about why the next generation of communication is all about services, and the improvement of quality.

Tags: telecom services

[13 Dec 2007]

Managing Call Flows Using SIP

whitepaper SIP provides many of the functions defined in the H.323 standard developed by the International Telecommunication Union — Telecommunication Standards Sector (ITU-T), but with lower complexity and overhead.

Tags: voip - ip telephony, protocol, sip, telecommunication

[12 Dec 2007]

Mobile WiMax must grab YouTube generation

News This will be a tremendous achievement for this new technology platform which has recently been boosted by the ITU's [International Telecommunications Union's] endorsement of it as an IMT2000 specification.

Tags: mobile wimax, 3g, hspa, age

[11 Dec 2007]

ITU Telecom World: Shane Robison

whitepaper The presenter, HP EVP & Chief Strategy & Technology Officer, explains the importance of research and innovation in the telecoms industry to evolve and better meet customer demand.

Tags: customer support services, demand, innovation, telecoms

[02 Nov 2007]

ITU Telecom World

whitepaper In this webcast, the presenter, HP Chairman and CEO, talks about new tools to manage the burgeoning information flow so people can find what they need, and avoid information overload.

Tags: infrastructure management, ceo, chairman, flow

[02 Nov 2007]

WiMax joins 3G fold

News WiMax has effectively been folded into 3G's future development, after the International Telecommunication Union's (ITU) decision to include it in the IMT-2000 set of standards. Although WiMax and 3G have been battling it out as rival broadband...

Tags: itu, 3g, wimax

[22 Oct 2007]

Research Approaches to Mobile Use in the Developing World: A Review of the Literature

whitepaper Current projections suggest that the world will continue to add mobile lines faster than fixed lines; indeed, the next billion new phone users will use primarily mobiles (ITU, 2003). In 2002, the total number of mobile (cellular) phones in use...

Tags: mobile - wireless communications, lines, mobiles, century

[23 Aug 2007]

MIDP Command Mappings in Nokia Series 40 Devices

whitepaper A foldout keyboard means that normally the ITU-T9 keypad is in use, but the keypad can be opened to access a full qwerty keyboard. Nokia Series 40 devices have either two or three softkeys. The softkeys are located in the left and right bottom...

Tags: cellular equipment, command, nokia, keyboard

[25 Jul 2007]

Synchronous Data Link Control and Derivatives

whitepaper The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) (formerly CCITT) subsequently modified HDLC to create Link Access Procedure (LAP), and then Link Access Procedure, Balanced (LAPB).

Tags: wide area networks (wan), protocols, link, protocol

[23 Jul 2007]

ADSL2 and ADSL2+: The New ADSL Standards

whitepaper ADSL standards surpasses 25 million, the ITU has completed and approved the newest revision of international ADSL standards. G.lite.bis" at the ITU, but will become better known as "ADSL2. As the number of users of ADSL chipsets based on first...

Tags: voip - ip telephony, equipment, standards, rate

[16 Jul 2007]

AT&T Network Integrated Services Digital Network (ISDN) Primary Rate Interface and Special Application Specification

whitepaper The ISDN Primary Rate Interface is a multi-purpose, high speed multiplexed digital interface based on International Telecommunication Union Telecommunication Standardization Sector (ITU-T, formerly CCITT) ISDN Recommendations 1.

Tags: voice mail, recommendations, interface, rate

[02 May 2007]

Space-Frequency Bit-Interleaved Coded Modulation for MIMO-OFDM

whitepaper Performance is analyzed for a simplified channel model and is demonstrated for a modeled IEEE 802.16e OFDM PHY layer using ITU channel models. This paper presents the design of a novel space-frequency bit-interleaver for MIMO-OFDM systems.

Tags: wireless lan, channel, space, ofdm

[11 Apr 2007]

Using Constellation Shaping to Reduce the Peak and Average Power of OFDM Signals

whitepaper Adopting the successful shell mapping algorithm for high data rate transmission over telephone channels, as described in the V.34 Recommendation of ITU-T, the authors build a shell mapping algorithm for multidimensional constellation in the...

Tags: wireless lan, frequency, rate, ofdm

[11 Apr 2007]

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