Concept

Telephony

Related publications (33)

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Adaptive Delay Aware Error Control for Internet Telephony

Jean-Yves Le Boudec, Catherine Boutremans

Forward Error Correction copes with packet losses, but at the expense of an increase of the end-to-end delay. By failing to take this into account, existing error control schemes for audio often lead to end-to-end delays larger than 150 ms, which has an im ...

2001

High-bandwidth internet video telephony

Martin Vetterli

We consider the problem of full-duplex video transmission over the Internet, under real-time delay constraints. In this work we present the design of a complete communications system, whose salient features are: (a) a soft real-time transport protocol, who ...

2000

Adaptive Delay aware error control for Internet Telephony

Jean-Yves Le Boudec, Catherine Boutremans

2000

Distributed Core Multicast (DCM): a routing protocol for many small groups with application to mobile IP telephony

Jean-Yves Le Boudec, Ljubica Blazevic

This paper specifies a multicast routing protocol called Distributed Core Multicast (DCM). It is intended for use within a large single Internet domain network with a very large number of small multicast groups. We present how DCM can be used to route pack ...

2000

A programmable architecture for the provision of hybrid services

Jean-Pierre Hubaux

The success of new service provision platforms will largely depend on their ability to blend with existing technologies. The advent of Internet telephony, although impressive, is unlikely to make telephone customers suddenly turn in favor of computers. Rat ...

1999

The Impact of the Internet on Telecommunication Architectures

Jean-Yves Le Boudec, Jean-Pierre Hubaux, Shawn Koppenhoefer

The ever-growing popularity of the Internet is dramatically changing the landscape of the communications market place. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are bein ...

1999

n recent years, the Internet has proven its ability to carry real-time data, including voice. Today, a small amount of voice traffic has already been diverted from the Public Switched Telephone Network (PSTN) to the Internet. If it expands, this phenomenon ...

1999

The Impact of the Internet on Telecommunication Architectures

Jean-Yves Le Boudec, Jean-Pierre Hubaux

The ever-growing popularity of the Internet is dramatically changing the landscape of the communications marketplace. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are being ...

1998

The Impact of the Internet on Telecommunication Architectures

Jean-Yves Le Boudec, Jean-Pierre Hubaux, Shawn Koppenhoefer

The ever-growing popularity of the Internet is dramatically changing the landscape of the communications marketplace. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are being ...

1998