The two-way transmission of voice over a packet-switched IP network, which is part of the TCP/IP protocol suite. The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term ...

An IP phone that runs the session border controller (SBC), which encrypts traffic, reconnects calls if dropped, overcomes firewall issues and routes internal calls within the network. Without an SBC ...

Office phones have come a long way in a relatively short time. With the introduction of Internet Protocol phones, new features make those devices more akin to computers than simple phone systems.

Affordable and offering great audio quality, Cisco's range of IP phones make fantastic all-round choices for businesses. Why you can trust TechRadar We spend hours testing every product or service we ...