Telephony (/təˈlɛfəni/ tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunication services for...

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...

Mobile telephony is the provision of telephone services to mobile phones rather than fixed-location phones (landline phones). Telephony is supposed to...

In marketing, contact center telephony is the communication and collaboration system used by businesses to either manage high volumes of inbound queries...

ago (1999) Headquarters Brussels, Belgium Services Mobile and fixed-line telephony Revenue €610,000,000 (2014) Number of employees 824 Parent Telenet Website...

Computer telephony integration, also called computer–telephone integration or CTI, is a common name for any technology that allows interactions on a telephone...

A party line (multiparty line, shared service line, party wire) is a local loop telephone circuit that is shared by multiple telephone service subscribers...

include voice, video and messaging applications. SIP is used in Internet telephony, in private IP telephone systems, as well as mobile phone calling over...

In CDMA-based Cellular networks, cell breathing is a mechanism which allows overloaded cells to offload subscriber traffic to neighbouring cells by changing...

Dialling (dialing in US English) is the action of initiating a telephone call by operating the rotary dial or the telephone keypad of a telephone. Prior...