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SIP Flaw Causes Problems For Cisco
News The Session Initiation Protocol (SIP) has been at the centre of growing interest largely for its role in voice over IP (VoIP) applications. A recently discovered flaw in the Session Initiation Protocol (SIP) is responsible for a number of security...
[March 10, 2003, 10:00]
Conaito VoIP SIP SDK
Downloads Our brand-new SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications. Conaito VoIP SIP SDK is a powerful and highly...
[January 16, 2008, 12:49]
Overview Of The Session Initiation Protocol
White Papers Session Initiation Protocol (SIP) is the Internet Engineering Task Force's (IETF's) standard for multimedia conferencing over IP. Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a...
[December 27, 2004, 2:00]
Practical VoIP Using VOCAL: Session Initiation Protocol And Related Protocols
White Papers This paper provides a technological overview of the Session Initiation Protocol (SIP) that focuses on its ability to enable VoIP. If person takes the time to read the SIP standard, Request For Comments (RFC) 3261, he or she will notice that SIP can...
[October 17, 2007, 1:00]
VoIP Breakthrough Claimed For Mesh Broadband
News Wireless broadband pioneer LocustWorld has added support for Session Initiation Protocol (SIP) to its range of mesh networking equipment. SIP was introduced by the Internet Engineering Task Force (IETF) as a way of simplifying the process of...
[April 14, 2004, 14:35]
BT Planning Fusion Phone For Business
News SIP, the session initiation protocol, is a signalling technology used for locating remote users and establishing interactive communications. Once you get to WiFi SIP, you’re essentially offering VoIP, although you can break out from that onto PSTN...
[June 16, 2005, 17:25]
Siemens Gigaset S450 IP review
Reviews Thankfully, providers that use SIP (Session Initiation Protocol) are supported. Over the last couple of years, the VoIP community has adopted SIP as its protocol of choice for signalling. However, SIP is still evolving and being extended as the...
[November 27, 2007, 10:02]
Choosing The Right VoIP Equipment
News This is a Session Initiation Protocol (SIP)-based product available in both free and enterprise editions. The ATA communicates with the VoIP server, using a standard VoIP protocol such as SIP, H.323 or IAX.
[September 27, 2006, 12:45]
Security Tools Probe VoIP Flaws
News All of the tools target systems that use the Session Initiation Protocol, or SIP. While SIP is increasingly used in VoIP systems, it isn't widely used yet, Endler said. The majority of VoIP systems out there are not SIP enabled," Endler said.
[August 3, 2006, 10:40]
UK VoIP Market Hots Up
News Gossiptel allows free calls to any other VoIP user in the world, as long as their service is compliant with the SIP (session initiation protocol) standard. Gossiptel estimates that already around one million people worldwide are using SIP, and...
[May 26, 2004, 9:45]
VoIP Generates Babble
News He's also in talks to craft similar arrangements with other VoIP players, such as Packet8, that use the Session Initiation Protocol (SIP) standard. SIP is widely believed to be the cornerstone of Net-based phone calling.
[July 18, 2003, 9:10]
Tackling VoIP Security Concerns
News At the Black Hat USA 2006 security conference in Las Vegas this summer, security researchers David Endler and Mark Collier demonstrated a tool for overwhelming Session Initiation Protocol (SIP)-based VoIP networks with millions of requests...
[September 27, 2006, 15:10]
The Business Case For Enterprise VoIP
White Papers Intel IT collaborated with one of the company's business units to conduct a pilot deployment of an open standards, session initiation protocol (SIP)-based voice over internet protocol (VoIP) solution at one of its medium-size corporate sites in...
[June 2, 2006, 1:00]
Avaya Launches End-to-end SIP Kit
News On Monday, the communications firm announced the release of version 5.0 of its Communication Manager software, which now features embedded Session Initiation Protocol (SIP). SIP is a signalling protocol, used extensively in internet telephony (VoIP...
[January 21, 2008, 15:44]
BT Communicator: The World's Biggest SIP Deployment
White Papers The launch of BT Communicator is a first step in BT's strategy to offer new Session Initiation Protocol (SIP)-based VoIP and multimedia services for the broad consumer market. The growing success of broadband in the consumer market is increasingly...
[November 30, 2006, 0:00]
Denial Of Service Attacks And SIP Infrastructure: Attack Scenarios And Prevention Mechanisms
White Papers As a signaling protocol the paper investigates here the Session Initiation Protocol (SIP). In this context the paper mainly identifies attacks based on exhaustion of the memory of VoIP servers, attacks on the CPU or by causing excessive...
[October 14, 2008, 0:00]
Cicero Launches Symbian Dual-mode Client
News According to Cicero's chief executive officer, Ross Brennan, CiceroPhone is a step up from the E-series' native SIP [Session Initiation Protocol — an application-layer VoIP protocol] client in that it automatically makes the device aware of which...
[November 2, 2006, 13:06]
Microsoft Office Communications Server 2007 (Public Beta) review
Reviews In terms of protocols and functions, OCS provides a full SIP (Session Initiation Protocol) server to handle voice phone calls via VoIP, video conferencing and traditional phone networks, and data sharing capabilities.
[June 8, 2007, 10:57]
Interfering With The Revolution
News Your proprietary software has come under fire from those Net phone interests advocating open-source Session Initiation Protocol. Our position is that over time, we expect to interconnect to VoIP networks directly, rather than using SIP and the PSTN.
[May 26, 2005, 14:20]
3Com Launches SIP-based IP Telephony
News The VCX Connect platform offers session initiation protocol (SIP)-based telephony call control and unified messaging. SIP is an application-layer control protocol that enables multimedia communications, including presence.
[October 3, 2007, 13:38]
