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  2. 999 phone charging myth - Wikipedia

    en.wikipedia.org/wiki/999_phone_charging_myth

    The 999 phone charging myth is an urban legend that claims that if a mobile phone has low battery, then dialling 999 (or any regional emergency telephone number) charges the phone so it has more power. This was confirmed as untrue by several British police forces who publicly cited the dangers of making such calls. [1]

  3. Batterygate - Wikipedia

    en.wikipedia.org/wiki/Batterygate

    [21] [22] On 28 February 2020, Apple agreed to a $500 million settlement in a California court, under which it plans to pay at least $25 to all U.S. residents who had purchased an iPhone 6, 6 Plus, 6S, 6S Plus, SE, 7 or 7 Plus device . [23] A separate investigation from 34 states and the District of Columbia also looked into the battery practice.

  4. Operator assistance - Wikipedia

    en.wikipedia.org/wiki/Operator_assistance

    A third number call or third party call is an operator assisted telephone call that can be billed to the party other than the calling and called party. The operator calls the third number for the party to accept the charges before the call can proceed. Time and charges was a service that could be requested of an operator before a call began ...

  5. Collect call - Wikipedia

    en.wikipedia.org/wiki/Collect_call

    It offers reverse charge calls from any fixed line phone, pay phone and most mobile phones (even if the prepaid credit has run out), to most fixed land line and mobile phones in the Republic of Ireland. [13] The company charges €2.99 to connect the call, including the first 60 seconds of the call, and €0.593 for every subsequent minute.

  6. Backup battery - Wikipedia

    en.wikipedia.org/wiki/Backup_battery

    A valve-regulated lead-acid battery is a battery type that is popular in telecommunications network environments as a reliable backup power source. VRLA batteries are used in the outside plant at locations such as Controlled Environmental Vaults (CEVs), Electronic Equipment Enclosures (EEEs), and huts, and in uncontrolled structures such as ...

  7. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    iPhone, Android and the QNX OS used in 2012-and-later BlackBerry phones are widely capable of VoIP performance. Besides wireless, they also typically support USB, but not Ethernet or Power over Ethernet interfaces. The smartphone became the dominant VoIP phone because it works both indoors and outdoors, and shifts base stations/protocols easily.

  8. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    Last-call return (incoming) *69 HFC *10# [7] [8] 1361 1363 [9] 1471 [10] *70 1170 Call waiting disable *71 1171 Usage sensitive three-way call *72 1172 Unconditional forward: All calls *73 1173 Call forward: Cancel *74 1174 Speed calling (8 numbers) *75 1175 Speed calling (30 numbers) *77 1177 Anonymous call rejection activation *78 1178 Do not ...

  9. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    For a local call, the operator inserted the front cord of the pair (ringing cord) into the called party's local jack and started the ringing cycle. For a long-distance call, the operator plugged into a trunk circuit to connect to another operator in another bank of boards or at a remote central office. In 1918, the average time to complete the ...