VoIP means Voice over Internet Protocol. Before VoIP, an institution’s network had 2 distinct infrastructures – one for voice and the other for data. While PSTN (traditional system) usage can be reduced considerably, it cannot be eliminated totally since the PSTN must handle call overflow and calls not destined to the remote sites. The biggest challenge to building a secure VoIP infrastructure is the trade-off one must often make between security and performance.
Posts Tagged ‘Amp’
Review of the New AT&T Cell Phones, Nikon Compact Digital Cameras and the Sony Ericsson P1
Tuesday, June 23rd, 2009Finding a suitable camera, camcorder or mobile is not always the easiest thing to do. Here is a review of some of the more popular mobiles phones and cameras.
Samsung Impression (SGH-A877) Phone (AT&T)
Sunday, June 7th, 2009Released for AT&T, the Samsung Impression is the nation’s first commercially available AMOLED (active-matrix organic light-emitting diode) screen for a brightest and clearest display. The slim handset features a 3.2-inch metallic blue touch screen with a slide-out four-row QWERTY keyboard.
Samsung Magnet Phone (AT&T)
Tuesday, May 26th, 2009Released for AT&T, the Samsung Magnet is an incredibly slim orange and black bar-shaped device that will appeal to teens who need a low-cost, quick messaging phone. The Magnet features a WAP browser and integrated camera in its sleek package and will be offered at an affordable price.
Samsung SGH-A657 Phone (AT&T)
Saturday, May 23rd, 2009Released for AT&T, the Samsung SGH-A657 is a rugged push-to-talk handset built to withstand harsh conditions. The phone is the A657 is certified to Military Standard MI-SID-810F, withstanding dust, shock vibrations, rain, humidity, solar radiation and altitude and temperature extremes.
