voip sip ip telephony
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More businesses turning to VoIP?
News One example is session initiation protocol (SIP) trunking interfaces being added to equipment by many PBX manufacturers, which makes it easier for business telephone exchanges to be connected to the public switched... [14 Aug 2008]
Mitigating Attacks in VoIP Environments
White Paper Wide-scale Voice over IP (VoIP) implementations based on Session Initiation Protocol (SIP) and H.323 are gaining traction and are starting to be heavily deployed in large enterprises.... [09 Jul 2008]
Application Notes for VegaStream Europa 50 BRI Gateway
White Paper This paper explains describe the configuration procedures required to allow VegaStream Vega50 Europa BRI gateway to interoperate as a TDM to SIP and SIP to TDM converter on the 3Com VCX platform for... [03 Apr 2008]
VoIP threats to watch out for
Comment Examples of hacks for SIP include registration hijacking, which allows a hacker to intercept incoming calls and reroute them; message tampering, which allows a hacker to modify data packets travelling between... [09 Mar 2007]
Deploying Office Live Communications Server 2005 and Office Communicator 2005 at Microsoft
White Paper 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... [08 Nov 2006]
Radioactive: Mobile VoIP - not so disruptive
Comment They utilise SIP to set up calls irrespective of bearer channel, and let the user have a single number for the device. It might be fairer to call these internet telephony rather than... [20 Mar 2006]
Cisco gets serious about mobile 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 device that controls and manages... [06 Dec 2005]
VoIP handsets: Greater choice means greater complexity
Comment As session initiation protocol (SIP) becomes more widely adopted for IP telephony, any compliant IP phone should be able to work with any compliant PBX, at least for the... [01 Aug 2005]
Linux comes to the telephone
Comment He is able to use any SIP-compliant handset, and currently has systems from three manufacturers - Grandstream, Snom and Zultys - which all have different feature sets and prices. The best-established open source... [06 Jul 2005]
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... [13 Jun 2005]
Overview of the Session Initiation Protocol
White Paper Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Session Initiation Protocol... [27 Dec 2004]
Secure IP Telephony for the Enterprise: Pingtel and Check Point Software Technologies
White Paper 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... [13 Dec 2004]
Businesses warming up to VoIP, say experts
News Now that SIP is becoming widespread, IT departments are more willing to take the plunge and switch at least part of their phone network to IP-based technologies. It has to do primarily with the... [17 Jun 2004]
SIP - The Next Big Step of Internet Usage
White Paper This white paper talks about Session Initiation Protocol (SIP). The Internet standard for such communication is SIP. For businesses looking to join this burgeoning SIP user community, it... [02 Mar 2004]
The Ingate SIPerator
White Paper With the standardization of SIP as the Internet protocol for applications such as VoIP, instant messaging and IP telephony, businesses are eager to adapt their existing... [25 Feb 2004]
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