trunk telephone network

  • 11Telephone keypad — A telephone keypad is a keypad that appears on a “Touch Tone” telephone. It was standardised when the dual tone multi frequency (DTMF) system was introduced in the 1960s, and replaced the rotary dial.The contemporary keypad is laid out in a 3… …

    Wikipedia

  • 12Telephone numbers in the United Kingdom — +44 redirects here. For the band, see +44 (band). United Kingdom telephone numbers Location of United Kingdom (dark green) Location Country United Kingdom Continent …

    Wikipedia

  • 13Telephone numbers in Bulgaria — Country Code: 359 International Call Prefix: 00 xxBulgaria applies an open dialing plan, similar to those of Germany and Austria. Area codes are only dialed when necessary (dialing the same area with the area code is billed as if the call was to… …

    Wikipedia

  • 14Network topology — Diagram of different network topologies. Network topology is the layout pattern of interconnections of the various elements (links, nodes, etc.) of a computer[1][2] …

    Wikipedia

  • 15Telephone numbers in the Republic of Ireland — Numbers on the Irish Telephone Numbering Plan are regulated and assigned to operators by Comreg. The numbers are assigned as follows:Overview and historyCountry Code: 353 International Call Prefix: 00Telephone numbers in Ireland are similar in… …

    Wikipedia

  • 16Telephone numbers in Australia — [Telecommunications Numbering Plan 1997 as amended 4th January, 2008] The Australian telephone numbering plan describes the allocation of phone numbers in Australia. It has changed many times, the most recent major reorganisation by the… …

    Wikipedia

  • 17Telephone numbers in Malaysia — Country Code: +60 International Call Prefix: 00 Trunk Prefix: 0 Telephone numbers in Malaysia are regulated by the Malaysian Communications and Multimedia Commission (MCMC). Calls to Singapore do not require international dialing; calls are made… …

    Wikipedia

  • 18Network element — A network element is usually defined as a manageable logical entity uniting one or more physical devices. This allows distributed devices to be managed in a unified way using one management system. According to Telecommunications Act of 1996, the …

    Wikipedia

  • 19Telephone numbers in Greece — Country Code: +30 International Call Prefix: 00 Trunk Prefix: none This is a list of dialing codes in Greece. The first digit represents type of service. 1 is used for short codes, 2 for geographical numbers (3 and 4 are reserved for that purpose …

    Wikipedia

  • 20Telephone numbers in China — Country Code: +86 International Call Prefix: 00 Trunk Prefix: 0 The Chinese Telephone Code Plan is the way to group telephone numbers of Mainland China. Land lines and mobile phones follow different systems: land lines use area codes, while… …

    Wikipedia