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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 instead of out (horizontally) to another telephone company.
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Alltel Family Finder: Similar to Verizon Wireless's "Family Locator" service, Alltel offered a service dubbed Alltel Family Finder where users on family plans could download software to their children's phones and use GPS technology to acquire real-time location information either directly on their phone or on the computer.
Four of the top five wireless providers have all standardized on 4G LTE and 5G NR as their wireless communication standards, whereas Boost Mobile uses only 5G NR.Of which, LTE has been deployed across their entire coverage area; however, the LTE bands used by each provider remain largely incompatible.
On Tuesday, AT&T announced it has agreed to buy the Alltel domestic retail wireless business of Atlantic Tele-Network in an all-cash transaction valued at approximately $780 million. Atlantic ...
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*70 and 1170 — cancel call waiting on a call-by-call basis *71 and 1171 — three-way calling, which lets a person talk to people in two different locations at the same time *74 and 1174 — speed dial, which allows someone to quickly dial any of eight frequently called numbers using a one-digit code, from any phone on their line
All calls were placed by a suitably equipped telephone operator. Outgoing calls were placed when the operator connected to a base station (originally using a cord board, but by the 1990s could be done by dialing a code sequence from a TOPS position), then announced the call over the channel (giving the channel's name first), e.g.,