Animated Telecom Dictionary

An automatic forwarding to a programmable number if the called mobile number is non-operational. This number is chosen and changed by the user.
A prompt for users within a group (such as a Usenet newsgroup) to submit responses to one or more questions within a voting period. Usually one or more email addresses are included to allow the users to respond with their vote.
The process of forwarding a call to another extension or telephone number when the selected extension or telephone number is in use (busy).
A call processing feature allows a user to have telephones calls automatically redirected to another telephone number or device (such as a voice mail system). There can be conditional or unconditional reasons for call forwarding. If the user selects that all calls are forwarded to another telephone device (such as a telephone number or voice mailbox), this is unconditional. Conditional reasons for call forwarding include if the user is busy, does not answer or is not reachable (such as when a mobile phone is out of service area).
A feature available to the cellular user that, either immediately, or after a set number of rings, forwards the call to another number designated by the user.
This diagram shows how call forwarding can be used to automatically redirect telephone calls based on specific conditions. This example shows that a call may be redirected by the switching system to one...