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Voice over IP

Communications of the ACM, 2002
How can voice over the Internet claim a greater share of the worldwide phone market from the voice infrastructure dominated for more than 100 years by the public-switched telephone network?
Upkar Varshney   +3 more
openaire   +1 more source

Voice Over IP

International Journal of Digital Crime and Forensics, 2009
With the tremendous growth in popularity and bandwidth of the Internet, VoIP technology has emerged that allows phone calls to be routed over Internet infrastructure rather than the traditional Public Switched Telephone Network (PSTN) infrastructure.
Jill Slay, Matthew Simon
openaire   +2 more sources

Voice-over-IP-over-wireless

11th IEEE International Symposium on Personal Indoor and Mobile Radio Communications. PIMRC 2000. Proceedings (Cat. No.00TH8525), 2002
The IP-technology is gaining momentum and it seems inevitable that future wireless telephony services will be based on IP-technology. However, in order for this to become reality a number of issues must be solved. In this paper we present solutions-header compression and traffic classification-and figures indicating that for WCDMA, voice over IP can be
K. Svanbro, J. Wiorek, B. Olin
openaire   +1 more source

Voice over IP versus voice over frame relay

International Journal of Network Management, 2004
AbstractThis paper presents a comparison of the voice‐enabling features of the Internet protocol (IP) and frame relay (FR) networks. The discussion focuses on the issues that affect the quality of service of voice applications and the relative suitability of IP and FR for delivering voice applications.
Pauline P. Francis‐Cobley   +1 more
openaire   +1 more source

Voice over IP

2022
This thesis was scanned from the print manuscript for digital preservation and is copyright the author. Researchers can access this thesis by asking their local university, institution or public library to make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
openaire   +1 more source

Voice over quantum IP

2000 Canadian Conference on Electrical and Computer Engineering. Conference Proceedings. Navigating to a New Era (Cat. No.00TH8492), 2002
There are growing interests to provide telephone services over the Internet. In particular, Internet services providers (ISPs) may become the next generation telephone company especially in providing international telephone services. This paper proposes a novel method called quantum IP (QIP) for transporting international voice traffic over the ...
H.C.B. Chan, V.C.M. Leung
openaire   +1 more source

Voice over IP over satellite links

ICECS 2001. 8th IEEE International Conference on Electronics, Circuits and Systems (Cat. No.01EX483), 2002
Voice over IP (VoIP) services have recently emerged as a low-cost alternative to Public Switched Telephone Network (PSTN) voice service, and as an attractive solution for voice/data integration in public and private networks. Satellite links already have an increasing portion of their capacities used to carry data packets. Convergence of voice and data
H. Cruickshank   +3 more
openaire   +1 more source

Voice over IP (VoIP)

2008 Mosharaka International Conference on Communications, Computers and Applications, 2008
1.VoIP - An Introduction a.Packet switching vs. circuit switching b.Motivations and advantages c.Possible applications 2.VoIP - technologies a.VoIP and TCP / IP Protocol Suite b.VoIP signalling protocols i. H.323 ii. SIP iii. SDP iv. RTP / RTCP c.Resource Reservation Protocols 3.Challenges of Voice over IP a.Before VoIP session b.After VoIP session c ...
openaire   +1 more source

Qos and Voice Over IP

Journal of Knowledge Management, Economics and Information Technology, 2012
As Voice over Internet Protocol (VoIP) technology matures, companies are increasingly adopting it to cut costs, improve efficiency and enhance customer service. Using the Internet as an existing network for integrating data and telecom systems through intelligent VoIP, a range of benefits results: lower long distance costs, cost cuts in cabling ...
Adrian GHENCEA, Floriana GEREA
openaire   +1 more source

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