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(ICEEE). 1st International Conference on Electrical and Electronics Engineering, 2004., 2005
One of the highest demand applications is the transmission of voice over IP networks with a high level quality of service and efficient bandwidth use. This paper shows some recommendations and protocols that lead to convergence communications networks for voice and data transmission over of the same structure.
H. Toral-Cruz, D. Torres-Romin
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One of the highest demand applications is the transmission of voice over IP networks with a high level quality of service and efficient bandwidth use. This paper shows some recommendations and protocols that lead to convergence communications networks for voice and data transmission over of the same structure.
H. Toral-Cruz, D. Torres-Romin
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IP telephony for interplanetary exploration
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720), 2004Voice over IP (VoIP), using techniques developed for telephony, is a natural method for providing voice services for planetary explorers. Providing the ability to make telephone calls over the Internet, VoIP can replace radiofrequency communications in remote environments that are not serviced by a conventional telephone system. VoIP can provide better
T. Stone, R. Alena, M. Johnson
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Seamless Interconnection for Universal Services. Global Telecommunications Conference. GLOBECOM'99. (Cat. No.99CH37042), 2003
This paper addresses the challenges related to the interoperability of GSM and IP networks by presenting an interworking concept between the GSM and IP telephony services. The Mobile IP protocol provides mobile Internet hosts with data service roaming between IP sub-networks of different access technologies. Being a generic solution, Mobile IP may fail
J. Lemilainen, H. Haverinen
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This paper addresses the challenges related to the interoperability of GSM and IP networks by presenting an interworking concept between the GSM and IP telephony services. The Mobile IP protocol provides mobile Internet hosts with data service roaming between IP sub-networks of different access technologies. Being a generic solution, Mobile IP may fail
J. Lemilainen, H. Haverinen
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Traffic Analysis for IP Telephony
2005 2nd International Conference on Electrical and Electronics Engineering, 2005There is a great interest today in voice communication over the Internet (VoIP) with a high level quality of service (QoS). Our objective in this paper is to assess to what extent today's Internet is meeting this expectation. This work presents H.323 traffic analysis in the scenario where two LANs are connected through the Internet.
H. Toral-Cruz, D. Torres-Roman
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The clearest voice [IP telephony]
Communications Engineer, 2004IP telephony is on its way to succeeding the World Wide Web as the next breakthrough application for all-IP networks. Two standards are currently competing for dominance in IP telephony - the H.323 protocol suite by the International Telecommunication Union (ITU) and the session initiation protocol (SIP) by the Internet Engineering Task Force (IETF ...
T. Zahariadis, S. Spanos
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Deploying IP Telephony Over Satellite Links
2005 2nd International Symposium on Wireless Communication Systems, 2005IP telephony is one of the fastest growing technologies. It is based on the TCP/IP protocol suite. However to provide the same services and service qualities like legacy telephony networks, special care has to be taken for the IP network design. The TCP/IP protocol suite is also increasingly used for satellite communications, which offers wide-area ...
R. Toegl, U. Birnbacher, O. Koudelka
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IP telephony from a user perspective
2000 10th Mediterranean Electrotechnical Conference. Information Technology and Electrotechnology for the Mediterranean Countries. Proceedings. MeleCon 2000 (Cat. No.00CH37099), 2002Discusses issues of IP telephony. What can we expect from such communication methods, what kind of benefits does IP telephony bring, and what drawbacks can users expect in comparison to POTS telephony? Solutions for connecting VoIP (Voice over IP) terminals (ranging from PC phones to IP phones) and other functional entities of IP telephony, such as ...
A. Vugrinec, S. Tomazic
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Scalable network assessment for IP telephony
2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577), 2004Multimedia applications such as IP telephony are among the applications that demand strict quality of service (QoS) guarantees from the underlying data network. At the predeployment stage it is critical to assess whether the network can handle the QoS requirements of IP telephony and fix problems that may prevent a successful deployment.
B. Karacali, L. Denby, J. Meloche
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