نتایج جستجو برای: session initiation protocol sip

تعداد نتایج: 386457  

Journal: :Int. J. Communication Systems 2010
Kideok Cho Sangheon Pack Ted Taekyoung Kwon Yanghee Choi

Radio frequency identification (RFID) is an enabling technology for a variety of applications in nextgeneration network (NGN). Although several RFID management frameworks are proposed in the literature, they have limitations in terms of service extension. In this paper, we propose an extensible RFID management framework called SIP-based RFID management system (SRMS), which can support various R...

2010
M. Sayad Haghighi

The Session Initiation Protocol (SIP), which is becoming the de facto standard for the next-generation VoIP networks, is currently receiving much attention in many aspects. One aspect that was not deeply addressed in the original SIP is its authentication procedure. Apart from its security, an SIP authentication procedure should be e cient. This paper proposes a robust and e cient three-party S...

2007
Stephan Wanke Michael Scharf Sebastian Kiesel Stefan Wahl

Future telephony and multimedia systems will use the Session Initiation Protocol (SIP) for signaling purposes. SIP is a text-based protocol that imposes challenges for an efficient message processing. The ability of SIP entities to process SIP messages quickly is crucial for the performance of these networks, which often have strict timing requirements, e. g., to keep the call setup delays smal...

2001
P J Cordell

H.323 is currently the industry’s predominant standard for offering multimedia services over IP networks, although the session initiation protocol (SIP) continues to generate significant interest in the market-place for rendezvous-based real-time applications. With its greater maturity, H.323-based equipment continues to be deployed in operational networks. However, with the advent of SIP-based...

2005
H. Hakala L. Mattila J-P. Koskinen M. Stura J. Loughney

This document specifies a Diameter application that can be used to implement real-time credit-control for a variety of end user services such as network access, Session Initiation Protocol (SIP) services, messaging services, and download services.

2006
Curtis E. Hrischuk

The Session Initiation Protocol (SIP) is an internet protocol for establishing sessions between two or more parties. It is becoming ubiquitous in uses such as Voice over IP, instant messaging, Internet TV, and others. The Java community has even provided a standardized API so that SIP applications can now be built within J2EE application servers. These new capabilities also bring with them new ...

2005
Dimitris Geneiatakis Georgios Kambourakis Tasos Dagiuklas Costas Lambrinoudakis Stefanos Gritzalis

The commercial deployment of VoIP necessitates the employment of security mechanisms that can assure availability, reliability, confidentiality and integrity. The Session Initiation Protocol (SIP) is considered as the dominant signalling protocol for calls over the Internet. SIP, like other Internet protocols, is vulnerable to known Internet attacks, while at the same time it introduces new sec...

2006
S. Shanmugham

The Media Resource Control Protocol Version 2 (MRCPv2) allows client hosts to control media service resources such as speech synthesizers, recognizers, verifiers, and identifiers residing in servers on the network. MRCPv2 is not a "stand-alone" protocol -it relies on other protocols, such as the Session Initiation Protocol (SIP), to coordinate MRCPv2 clients and servers and manage sessions betw...

2014
P. Saint-Andre A. Houri

As a foundation for the definition of bidirectional protocol mappings between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP), this document specifies the architectural assumptions underlying such mappings as well as the mapping of addresses and error conditions.

2013
Rasib Khan Ragib Hasan

Since early days, peer-to-peer (P2P) protocols have proven significant improvements over traditional client-server models. On the other hand, the Session Initiation Protocol (SIP) is a popular protocol for establishing multimedia sessions, and uses a client-server approach. P2PSIP is an architecture for deploying SIP services over a P2P network overlay, and thus leverages the limitations of cli...

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