Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication...

A VoIP phone or IP phone uses voice over IP technologies for placing and transmitting telephone calls over an IP network, such as the Internet. This is...

Mobile VoIP or simply mVoIP is an extension of mobility to a voice over IP network. Two types of communication are generally supported: cordless telephones...

features of the call, such as the originating IP address, or features of the signalling and media messages. VoIP spam is characterized as unsolicited calls...

This sort of spoofing is common for calls originating from voice-over-IP (VoIP) systems, which can be located anywhere in the world. STIR, short for Secure...

organizations with IP telephony networks. The solutions are available for service providers offering hosted IP-PBX and residential VoIP services. This increasingly...

comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential...

the first smartphones. Voice over IP (VoIP) telephony began emerging in the 1990s. In commercial environments VoIP was first used behind corporate PBXes...

2009-04-17. Stevenson, Ted (May 19, 2006). "Softphones Reviewed: Gizmo Project". Voip Planet. Retrieved 2008-09-15. Kovitz, Steven (14 November 2009). "It's Official...

through VoIP via the Internet. The PSTN interface to a telephone network, with IP connectivity to an in-house VoIP phone system. Both PSTN and VoIP interfaces...