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In residential telephony, an extension telephone is an additional telephone wired to the same telephone line as another. In middle 20th century telephone jargon, the first telephone on a line was a "Main Station" and subsequent ones "Extensions" or even called as intercom.
Hand phones might also be referred to as pon-sel (short form of telepon seluler) or telepon genggam ("hold-in-the-hand telephone"). Hunting refers to line hunting, an office line in which multiple individual lines are connected so that an incoming call can roll over to another line if the first line is busy. This permits only one number to be ...
Telephony (/ t ə ˈ l ɛ f ə n i / tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunications services for the purpose of electronic transmission of voice, fax, or data, between distant parties.
E.164 is an international standard (ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks.
The mobile identification number (MIN) or mobile subscription identification number (MSIN) refers to the 10-digit unique number that a wireless carrier uses to identify a mobile phone, which is the last part of the international mobile subscriber identity (IMSI).
Mobile phone tower Mobile telephone antennas tower. Mobile telephony is the provision of wireless telephone services to mobile phones, distinguishing it from fixed-location telephony provided via landline phones.
Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line which could be connected using an RJ-11 connector. [1]
E.123 is an international standard by the Telecommunication Standardization Sector of the International Telecommunication Union (), entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. [1]