The most reliable internet protocol (IP) desk phone is Polycom VVX because its hardware is crafted to an extremely high standard, and its user base appears to be consistently satisfied with its ...

Even many IT professionals haven't heard of the Session Initiation Protocol (SIP), so it's almost certain your users haven't. However, unless you're using an entirely proprietary Voice-over-IP (VoIP) ...

SINGAPORE—Security concerns about voice over IP (VoIP) have made headlines in recent weeks, but industry experts have played down the fears. They note that how a company protects its IP telephony ...

The term Voice over IP (VoIP) does not refer to a single service but encompasses an entire collection of services that can fill the phone service needs of many different residential and business ...

Voice over IP (VoIP) is a fast-emerging communications technology that allows organizations to send voice traffic over IP networks. Many businesses, however, are concerned about the reliability and ...

Voice over IP (VoIP) is a dream concept that has been a while in the making. The idea of conducting all your telephone calls over the Internet--and avoiding high long distance charges from Telcos in ...

In this test we compared the telework offerings of five leading IP telephony vendors – Alcatel, Avaya, Cisco, Mitel Networks and Nortel – under real-world IP WAN conditions. IP telephony is extending ...

If you’re thinking about replacing or upgrading your business phone system, you have an important choice to make. Do you want to use a Voice over IP (VoIP) or a Private Branch Exchange (PBX) service?

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 ...

Listen to the Computerworld TechCast: VoIP. Voice over IP (VoIP) has exploded in popularity since the first PC-to-PC Internet phone-calling systems were introduced in 1995, as evidenced by the ...