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  2. List of international call prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_international_call...

    This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...

  3. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  4. International direct dialing - Wikipedia

    en.wikipedia.org/wiki/International_direct_dialing

    An "international call prefix", "international dial-out code" or "international direct dial code" (IDD code) is a trunk prefix that indicates an international phone call. In the dialling sequence, the prefix precedes the country calling code (and, further, the carrier code, if any, and the destination telephone number).

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    15 before the local number but after long distance area code for national calls (0 11 15 xxxx-xxxx) and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx-xxxx). Armenia +374: 55: 8: Ucom: 95: 41: 44 77: VivaCell-MTS: 93: 94: 98: 91: Beeline Armenia

  6. Long-distance calling - Wikipedia

    en.wikipedia.org/wiki/Long-distance_calling

    A trunk call is prefixed with '0' for national calls and '00' for international calls, following the European standard. It is now normal for local calls to cost the same as long-distance UK calls, and is now common, for a small extra monthly charge, to allow free calls to landlines within the UK.

  7. International call - Wikipedia

    en.wikipedia.org/wiki/International_call

    In the United Kingdom, there are various ways to make an international call. [1] For users with access to a landline: It can be made directly by dialling the country code together with the destination phone number. This is the most expensive way to call internationally, unless a special arrangement is made with the telephone operator.

  8. Trunk prefix - Wikipedia

    en.wikipedia.org/wiki/Trunk_prefix

    This example assumes that a call is to be made to a customer in the Australian state of Queensland with the local number 3333 3333 and the area code 7.. A caller from outside Australia must dial the international call prefix of the originating country and the country code (61 for Australia), then the area code (7), and then the local subscriber number.

  9. International telecommunications routes - Wikipedia

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

    A carrier receives calls in country A, turns them into IP packets using an IP gateway device and sends them over an IP connection (public or dedicated) to another carrier or ISP in country B, which re-assembles the voice call and sends it out from a PBX. The cost is composed of the cost to convert the call, IP connectivity, convert the call back.

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