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Call forwarding (or call diverting), in telephony, is a feature on some telephone networks that allows an incoming call to a called party, which would be otherwise unavailable, to be redirected to a mobile telephone or other telephone number where the desired called party is situated. Usually (though not always)the forwarded line rings once, to remind the customer using Call forwarding that the call is being redirected. Image File history File links Broom_icon. ...
In telecommunication, Telephony encompasses the general use of equipment to provide voice communication over distances. ...
The person who (or device that) answers a telephone is the called party. ...
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A telephone number is a sequence of decimal digits that uniquely indicates the network termination point. ...
How to Use Special types of call forwarding can be activated only if the line is busy, or if there is no answer, or even only for calls from selected numbers. In North America, the NANP generally uses the following vertical service codes to control call forwarding: North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ...
The North American Numbering Plan (NANP) is a system for three-digit area codes that direct telephone calls to particular regions on a public switched telephone network (PSTN), where they are further routed by the local network. ...
A vertical service code or VSC is a special telephone number that usually begins with the * (star) key on the touch tone keypad. ...
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| Forward service | Activation | Deactivation | Number change | | All calls | *72 | *73 | | | On busy or no answer | *68 | *88 | | | From select callers | *63 | *83 | | | On ISDN | | | *56 | | Customer-programmable features (where available): | | Busy line | *90 | *91 | *40 | | No answer | *92 | *93 | *42 | Most EU fixed-line carriers use the following codes based on CEPT and ETSI standards developed in the 1970s on both POTS and ISDN lines: (There may be some variation to these, but the unconditional code *21*, is very much universally standard on EU telephone lines.) The general syntax for all European service codes always follows the pattern below: ISDN is also short for isosorbide dinitrate Integrated Services Digital Network (ISDN) is a type of circuit switched telephone network system, designed to allow digital (as opposed to analog) transmission of voice and data over ordinary telephone copper wires, resulting in better quality and higher speeds, than available with analog...
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Computer programming (often simply programming) is the craft of implementing one or more interrelated abstract algorithms using a particular programming language to produce a concrete computer program. ...
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The European Conference of Postal and Telecommunications Administrations (CEPT) was established on June 26, 1959 as a coordinating body for European state telecommunications and postal organizations. ...
The European Telecommunications Standards Institute (ETSI) is a standardization organization of the telecommunications industry (equipment makers and network operators) in Europe, with worldwide projection. ...
| Forward service | Activate | Cancel & Deregister | Cancel & Retain | Status | Reestablish | | Unconditional forwarding: | | All Calls (Unconditionally) | *21*[phone number]# | #21# | #21# | *#21# | *21# | | Conditional forwarding: | | If Busy | *69*[phone number]# or *67*[phone number]# | #69# or #67# | #69# or #67# | *#69# or *#67# | *69# or *67# | | If Not Answered | *61*[phone number]# | #61# | #61# | *#61# | *61# | For GSM/3GSM (UMTS) Phones, GSM standard defines the following forward codes These were developed by ETSI and are based on standard European diversion codes and are similar to those used on most landlines in the EU: The Global System for Mobile communications (GSM: originally from Groupe Spécial Mobile) is the most popular standard for mobile phones in the world. ...
Global System for Mobile Communications (GSM) standards define certain codes that (if implemented by the particular carrier) make it possible to query and set certain service parameters ( type of Call Forwarding) from mobile devices (GSM cell phones). ...
The European Telecommunications Standards Institute (ETSI) is a standardization organization of the telecommunications industry (equipment makers and network operators) in Europe, with worldwide projection. ...
| Forward service | Activate | Cancel & Deregister | Cancel & Retain | Status | Reestablish | | Unconditional forwarding: | | All Calls | *21*[phone number]# | ##21# | #21# | *#21# | *21# | | Conditional forwarding: | | If Busy | *67*[phone number]# | ##67# | #67# | *#67# | *67# | | If Not Answered | *61*[phone number]# | ##61# | #61# | *#61# | *61# | | If Out of Reach | *62*[phone number]# | ##62# | #62# | *#62# | *62# | | Simultaneous forwarding: | | All Forwards | *002*[phone number]# | ##002# | #002# | *#002# | *002# | | All Conditional Forwards | *004*[phone number]# | ##004# | #004# | *#004# | *004# | Some carriers use *71 for conditional forwarding despite the fact that this is not to standards.
Sometimes, to deactivate a call forwarding, *720 will work on cellphones.
When and Why to Use it Diverting calls can increase one's availability to a caller. The main alternative is an answering machine or voicemail, but some callers do not wish to leave a recorded message, suspecting that the party will delay returning their messages.
Some businesses find that the human touch can improve contact, thus sales, but traditional wired answering services are expensive, so they have their calls forwarded to a call center, so the client can reach an operator instead of an answering machine or voice mail. A call centre (Commonwealth English) or call center (AmE) is a centralized office of a company that answers incoming telephone calls from customers(often for the purposes of product support) , or that makes outgoing telephone calls to customers (telemarketing). ...
Some services offer international call forwarding by allocating for the customer a local virtual phone number which is forwarded to any other international destination. A Virtual Phone Number or Virtual Number, is a telephone number without an associated phone line. ...
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