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Voice over Internet Protocol ( VoIP ), [ a ] also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, [ 2 ] such as the Internet. The broader terms Internet telephony, broadband telephony, and broadband phone service specifically refer ...
Interactive voice response ( IVR) is a technology that allows telephone users to interact with a computer-operated telephone system through the use of voice and DTMF tones input with a keypad. In telephony, IVR allows customers to interact with a company's host system via a telephone keypad or by speech recognition, after which services can be ...
A Google Voice local phone number for incoming calls is currently available only for users in the United States. [13] Users may select a single U.S. phone number from various area codes, free of charge to each account. Incoming calls to the number may ring simultaneously any of the user's configured phones or the account's Google Talk feature ...
A telecommunications relay service, also known as TRS, relay service, or IP-relay, or Web-based relay service, is an operator service that allows people who are deaf, hard of hearing, deafblind, or have a speech disorder to place calls to standard telephone users via a keyboard or assistive device. Originally, relay services were designed to be ...
Website. www .gsma .com /futurenetworks /rcs /. Rich Communication Services ( RCS) is a communication protocol standard for instant messaging, primarily for mobile phones, developed and defined by the GSM Association ( GSMA ). It aims to be a replacement of SMS and MMS on cellular networks with a communication system that is richer and modern.
Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller. Calling party. Conference call (multi-party call) COCOT. Cut – unexpected, and usually sudden, termination of call, line or service.
A call centre ( Commonwealth spelling) or call center ( American spelling; see spelling differences) is a managed capability that can be centralised or remote that is used for receiving or transmitting a large volume of enquiries by telephone. An inbound call centre is operated by a company to administer incoming product or service support or ...
A public-safety answering point ( PSAP ), sometimes called a public-safety access point, is a type of call center where the public's telephone calls for first responders (such as police, fire department, or emergency medical services / ambulance) are received and handled. It takes calls from any landline, mobile phone line, or VoIP (Voice over ...