• April 30, 2007 30 Apr'07

    VoIP security -- Free IP telephony vulnerability test tools: Sniffing and manipulating the packet st

    VoIP security tools designed to test IP telephony vulnerability can be a great help to enterprises, but they can also be exploited by hackers. Stay on top of your organization's VoIP security with the free testing tools listed in this tip.  Continue Reading

  • April 27, 2007 27 Apr'07

    VoIP on MPLS

    While MPLS technology has been around for several years, businesses are now taking advantage of service provider offerings and beginning their own corporate implementations. It's a good idea for network architects and engineers to get a head start ...  Continue Reading

  • April 26, 2007 26 Apr'07


    G.723.1 is a standard for digital communications that employs 16-bit pulse-code modulation (PCM) at 5.3 or 6.3 kilobits per second (Kbps) with an input sample rate of 8 kilohertz (kHz)... (Continued)  Continue Reading