The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term VoIP is widely used for the actual services offered (see VoIP for details), while IP telephony often refers to ...

The primary IP telephony signaling protocols are H.323, SIP and MGCP/MEGACO. There are also proprietary protocols; for example, Cisco's Skinny is widely used. See IP telephony. THIS DEFINITION IS ...

MCK became a distinguished member of the Citel Group in 2005. Together, the legacy spans over three decades and has been built on cultivating unparalleled expertise across the entire spectrum of ...

There's a lot to consider when you're choosing a business phone system for your small business. This guide covers everything to look for in a business phone system. These top business phone system ...