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 ...

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?

At stake are rules used to divvy up the 5.2 billion unassigned phone numbers set aside for use in North America, one of the biggest potential markets for Internet, or voice-over-IP (VoIP), telephone ...

CVE-2026-2329 allows unauthenticated root-level access to SMB phones, so attackers can intercept calls, commit toll fraud, and impersonate users.