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  2. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1]

  3. TM (cellular service) - Wikipedia

    en.wikipedia.org/wiki/TM_(cellular_service)

    TM was launched on September 12, 2001, as Touch Mobile, initially catering to the middle income market, and has since covered lower-income groups as well, making it Globe's value brand offering. [ 1 ] [ 2 ] [ 3 ] The service has gained popularity for its discounted call and messaging services, with the "All Network" offers allowing TM ...

  4. Call screening - Wikipedia

    en.wikipedia.org/wiki/Call_screening

    Call screening is the process of evaluating the characteristics of a telephone call before deciding how or whether to answer it. [1] Some methods may include: listening to the message being recorded on an answering machine or voice mail. [1] checking a caller ID display to see who or where the call is from. [1]

  5. Telephone phobia - Wikipedia

    en.wikipedia.org/wiki/Telephone_phobia

    A 2024 survey in the UK found that one quarter of respondents aged 18–34 admitted that they had never answered a call to their mobile phone. A spokesperson for price comparison service Uswitch , who conducted the survey, commented " Gen Z and younger millennials increasingly prefer 'low pressure' voice notes , which signal there is less ...

  6. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    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.

  7. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    Like other radio transmissions, mobile phone calls can be interrupted by large buildings, terrain, trees, or other objects between the phone and the nearest base. Cellular network providers work continually to improve and upgrade their networks in order to minimize dropped calls , access failures, and dead zones (which they call "coverage holes ...

  8. Cellphone surveillance - Wikipedia

    en.wikipedia.org/wiki/Cellphone_surveillance

    Cellphone bugs can be created by disabling the ringing feature on a mobile phone, allowing a caller to call a phone to access its microphone and listening. One example of this was the group FaceTime bug. This bug enables people to eavesdrop on conversations without calls being answered by the recipient.

  9. Screen time - Wikipedia

    en.wikipedia.org/wiki/Screen_time

    Screen time is the amount of time spent using a device with a screen such as a smartphone, computer, television, video game console, or a tablet. [1] The concept is under significant research with related concepts in digital media use and mental health. Screen time is correlated with mental and physical harm in child development. [2]