Voice over IP

technology for transmitting voice and other data over IP networks

Voice over LTE wireless network

phone using one or more VoIP technologies

architectural framework of telecommunications

A voicemail system (also known as voice message or voice bank) is a computer-based system that allows callers to leave a recorded message when the recipient has been unable (or unwilling) to answer the phone. Calls may be directed to voicemail manually or automatically. The caller is prompted to leave a message that the recipient can retrieve at a later time.

form of criminal phone fraud, using social engineering over the telephone system to gain access to private personal and financial information for the purpose of financial reward

STUN (Session Traversal Utilities for NAT; originally Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators) is a standardized set of methods, including a network protocol, for traversal of network address translator (NAT) gateways in applications of real-time voice, video, messaging, and other interactive communications.

product that allows speech input to Google Search

use of a wireless broadband network for the purpose of vocal conversation

extension of a voice over IP network

device deployed in VoIP networks to control the signaling and the media streams involved in setting up, conducting, and tearing down telephone calls or other interactive media communications

high-speed wireless communication functionality

high-quality audio telephony

real-time voice communication over a network

network protocol

obtaining communications network data pursuant to lawful authority

synthetic background noise used to fill artificial silences in radio and wireless transmissions

bulk unsolicited automatic phone calls using VoIP