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  2. International telecommunications routes - Wikipedia

    en.wikipedia.org/wiki/International...

    Telephone companies in different countries use a variety of international telecoms routes to send traffic to each other. These can be legal (or 'white') routes or other arrangements the industry calls grey routes , special carrier arrangements , settlement by-pass and other euphemisms.

  3. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Callers have to bear local access charges from their service providers. 400-toll-free numbers with prefix "4001" are international toll-free numbers which can be routed to destination numbers inside or outside China. 400 toll-free numbers with prefix "4000", "4006", "4007" or "4008" are national toll-free numbers which can be routed to China ...

  4. List of telecom companies in India - Wikipedia

    en.wikipedia.org/wiki/List_of_telecom_companies...

    There are 4 pay-for-use DTH service providers and one free-to-air service provider (DD Free Dish) in India. [1] As of 30 September 2024, there are 59.91 million active paying DTH subscribers, in addition to the subscribers of state-owned DD Free Dish, in the country according to Telecom Regulatory Authority of India (TRAI). DD Free Dish has ...

  5. List of mobile network operators in Asia and Oceania

    en.wikipedia.org/wiki/List_of_mobile_network...

    Telephone Systems International: 5: Salaam: GSM-900/1800 MHz (GPRS, ... Government Of India (33.14%) Vodafone Group Plc ... Dialog discontinued its 3G service on 15 ...

  6. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    India: Bharti Airtel Limited: List ... Free float (68.1%) Federal Republic of Germany (31.9%) 12 India: Vodafone Idea Ltd: List

  7. Mobile telephone numbering in India - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephone_numbering...

    In India, mobile numbers (including pagers) on GSM, WCDMA, LTE and NR networks start with either 9, 8, 7 or 6.Each telecom circle is allowed to have multiple private operators; previously it was two private + BSNL/MTNL, subsequently it changed to three private + BSNL/MTNL in GSM; however currently each telecom circle has all four operators including Reliance Jio, Bharti Airtel, Vodafone idea ...

  8. Toll-free number portability - Wikipedia

    en.wikipedia.org/wiki/Toll-free_number_portability

    The inbound service was denoted as InWATS service. Each exchange prefix in area code 800 was assigned to a specific carrier in a specific region (for example, 800-387 was Bell Canada in Toronto ) and the numbers were brought to subscribers (usually large companies or governmental organisations) on special fixed-rate inbound trunks.

  9. Telephone card - Wikipedia

    en.wikipedia.org/wiki/Telephone_card

    One is via a toll-free number, with larger companies offering this internationally. Access through a local number has become increasingly popular in recent years. Toll-free calls are paid for by the recipient (the calling card company), which passes on the cost through higher call charges; total cost of a call to the user is often lower using a ...