Mark Bruk, a frequent business traveler, always packs a Plantronic headset with an ear bud and microphone so he can plug into any computer and make phone calls on the cheap. Once he finds an Internet ...

Voice over IP (VoIP) security is a challenge for IT staff because IP telephony (IPT) brings with it not only the security problems of data networks but also new threats specific to VoIP. In this ...

VoIP network performance testing can mean the difference between a VoIP system working at a high level QoS and a weak system that runs so poorly customers could take their business elsewhere. This ...

Human communication has evolved dramatically over the centuries, from word of mouth to letters and telegrams to phone lines that stretch from one end of the world to the other. While you can still ...