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Call forwarding, or call diversion, is a telephony feature of all telephone switching systems which redirects a telephone call to another destination, which may be, for example, a mobile or another telephone number where the desired called party is available. Call forwarding was invented by Ernest J. Bonanno.
Remote call forwarding is also a means for a suburban business to obtain a city-centre local number (with its full large-city coverage area) for inbound calls; while cheaper than a foreign exchange line, this can reduce long-distance telephony costs in markets where local calls are flat-rated but trunk calls are expensive.
VoLTE calling. Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1] [2] VoLTE has up to three times more voice [3] and data capacity than older 3G UMTS and up to six times more than 2G GSM.
Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet, while seamlessly changing connections between the two where necessary. [3] This feature makes use of the Generic Access Network (GAN) protocol, also known as Unlicensed Mobile Access (UMA). [4] [5]
Verizon Wireless offers mobile phone services through a variety of devices. [9] Its LTE in Rural America Program, with 21 rural wireless carriers participating, covers 2.7 million potential users in 169 rural counties. [10] Verizon Wireless announced in 2015 that it was developing a 5G, or fifth-generation, network. [11]
AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States .
AT&T mobile users began experiencing "SOS" only functionality beginning around 3:30 a.m. as nearly 80,000 cell phone users now experience outage. AT&T mobile services interrupted for customers ...
As CLASS was an AT&T trademark, the term vertical service code was adopted by the North American Numbering Plan Administration. The use of vertical is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up ( vertically ) inside the local central office ...