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  2. Instant messaging - Wikipedia

    en.wikipedia.org/wiki/Instant_messaging

    Instant messaging. Instant messaging ( IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involving simple text message exchanges, modern IM applications and services (also ...

  3. Telecommunications in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_the...

    SMS services are very common in the Philippines, from news briefs to multimedia services. Cellular mobile services began in the country only in 1991. In May 2000, the number of cellular phone subscribers exceeded the number of fixed line subscribers. This is because of the spotty telephone service and high cost of fixed line subscriptions.

  4. Rich Communication Services - Wikipedia

    en.wikipedia.org/wiki/Rich_Communication_Services

    Website. www .gsma .com /futurenetworks /rcs /. Rich Communication Services ( RCS) is a communication protocol standard for instant messaging, primarily for mobile phones, developed and defined by the GSM Association ( GSMA ). It aims to be a replacement of SMS and MMS on cellular networks with a communication system that is richer and modern.

  5. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    All telephone numbers in Iran have 11 digits (initial 0 and ten digits). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO ). When making a call within the same landline area code, initial 0 plus the area code must be ...

  6. Chikka - Wikipedia

    en.wikipedia.org/wiki/Chikka

    Chikka, short for Chikka Text Messenger, was an Internet-based instant messaging application that supported free SMS or text messaging between online users and offline mobile subscribers. Chikka was released by Chikka Philippines, Inc. in 2000 and eventually established its connection with the country's network operators Smart Communications ...

  7. List of emergency telephone numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_emergency...

    112. Text phone – 0800 81 12; Non-emergency police – 0900 88 44[a]or 0343 578 844;[66]Non-emergency police (text phone) – 0900 18 44; Suicide prevention – 113; Animal emergency – 144; Child abuse – 0900 123 12 30;[a]Anti-bullying hotline – 0800 90 50. North Macedonia.

  8. Telephone numbers in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    The Philippines is assigned an international dialing code of +63 by ITU-T. Telephone numbers are fixed at eight digits for area code 02, and seven digits for area codes from 03X to 09X, with area codes fixed at one, two, or three digits (a six-digit system was used until the mid-1990s; four to five digits were used in the countryside). Mobile ...

  9. Telephone numbers in China - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_China

    In mainland China, mobile phone numbers have eleven digits in the format 1xx-XXXX-XXXX (except for 140–144, which are 13-digit IoT numbers), in which the first three digits (13x to 19x) designate the mobile phone service provider. Before GSM, mobile phones had 6-digit (later upgraded to 7-digit) numbers starting with nine.