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Siemens Gigaset S450 IP review
Reviews Over the last couple of years, the VoIP community has adopted SIP as its protocol of choice for signalling. SIP is a request-response protocol used for establishing sessions in an IP network. Thankfully, providers that use SIP (Session Initiation...
[November 27, 2007, 10:02]
VoIP: Paying The Price For Cheap Calls
News Using VoIP and SIP over the publicly accessible Internet is inherently more insecure than using a PSTN line, which is based on more proprietary equipment and doesn't go out over the Net. But by 2007, as this situation starts to change and the use...
[August 8, 2005, 17:10]
VoIP Breakthrough Claimed For Mesh Broadband
News Being able to support SIP routing within the LocustWorld mesh adds a new dimension of utility to the network, allowing users to utilise industry standard IP telephony services over a wide coverage area.
[April 14, 2004, 14:35]
Overview Of The Session Initiation Protocol
White Papers Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Session Initiation Protocol (SIP) is the Internet Engineering Task Force's (IETF's) standard for multimedia...
[December 27, 2004, 2:00]
Mobile Operators Disable VoIP Features
News The feature-rich Nokia N95 supports SIP, which enables integrated IP telephony capabilities, a service that business users are increasingly demanding. Orange said that SIP is enabled on its release of Nokia's E60.
[April 19, 2007, 17:52]
Switching To VoIP review
Reviews Wallingford also uses Asterisk and other open-source software in his hands-on examples of how to accomplish tasks like securing SIP passwords or building an inbound fax-to-email gateway. It explains the convergence of voice and data, the basics of...
[September 2, 2005, 10:50]
Security Tools Probe VoIP Flaws
News 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. Endler and co-presenter Mark Collier of SecureLogix hope their work will help VoIP...
[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]
Choosing The Right VoIP Equipment
News The ATA communicates with the VoIP server, using a standard VoIP protocol such as SIP, H.323 or IAX. This is a Session Initiation Protocol (SIP)-based product available in both free and enterprise editions.
[September 27, 2006, 12:45]
Secure IP Telephony For The Enterprise: Pingtel And Check Point Software Technologies
White Papers Pingtel is a market leader with an affordable, low-risk software IP telephony solution entirely based on (SIP). Pingtel and Check Point offer a VoIP solution that addresses these concerns. The Pingtel-Check Point solution enables organizations to...
[December 13, 2004, 2:00]
PhonerLite
Downloads Pre-conditions are a full-duplex sound card, a microphone and speakers (alternatively a headset), an Internet connection and a registration at a provider supporting the protocol SIP. PhonerLite supports several SIP profiles, each configurable...
[September 6, 2008, 0:46]
Vidosystem G.729 Acm Codec Driver
Downloads Fully compatible with Windows RTC protocol (SIP Protocol).G.729 is well known as best codec ever. Based on renowned Code Excited Linear Prediction (CELP) coding model, G.729 is a low rate ITU-T standard with toll quality in ip telephony.G.729 only...
[August 14, 2006, 10:31]
Truphone Attacks Vodafone Over VoIP Ban
News Our VoIP service works perfectly on the N95s supplied by Vodafone and Orange," said O'Prey, claiming that WiFiMobile's client "offers a full SIP stack, whereas [Truphone's] doesn't". Not so, said Tagg, who claimed the issue had nothing to do with...
[May 2, 2007, 13:54]
Quintum Tenor ASM200 review
Reviews If you prefer, other gateways and IP phones can be used with the ASM200 thanks to its support for both H.323 and SIP signalling. However, for our tests we concentrated on the 2-port Tenor ASM200, which is designed both for small business use and in...
[May 6, 2005, 12:25]
Cisco Business Communications Solution review
Reviews However, SIP users get a lot less functionality compared to those using Skinny, and most companies will be better off sticking to an all-Cisco deployment. Support for SIP as well as Cisco’s own SCCP (Skinny Client Control Protocol) means that SIP...
[July 12, 2006, 10:05]
Nokia: Skype Must Change Or Die
News Nokia today announced a partnership with Avaya which will give users of Nokia Series 60-based smart phones and Avaya IP PBXs to have a single business number and voicemail, as well as PBX-style call logging for the smart phones and SIP capabilities.
[June 13, 2005, 17:40]
Avaya Launches End-to-end SIP Kit
News SIP is a signalling protocol, used extensively in internet telephony (VoIP), that allows sessions to be established on an IP network. On Monday, the communications firm announced the release of version 5.0 of its Communication Manager software...
[January 21, 2008, 15:44]
Deploying Office Live Communications Server 2005 And Office Communicator 2005 At Microsoft
White Papers Live Communications Server 2005 also provides long-term value as a platform for applications and solutions (such as custom real-time communications, Voice over IP (VoIP) telephony applications and the Microsoft Office System) that use SIP to...
[November 8, 2006, 0:00]
Cisco Integrates The Next Generation Of Wireless
News Now the company is adding support to more devices, such as its 12000 IP router, which combines the functionality of an IP edge router and a Session Border Control (SBC) device that controls and manages IP multimedia traffic using protocols like...
[December 6, 2005, 8:25]
New Wireless VoIP Service Launched
News As the client has its own SIP stack, it cannot be blocked by operators in the way that Truphone recently experienced with Vodafone handsets. Velofone, a UK-based internet telephony provider, launched a wireless VoIP (wVoIP) service called...
[May 24, 2007, 17:32]
