Call Blocking
Encyclopedia
Call blocking is the ability to prevent incoming telephone
calls from a given phone number
. Various methods of call blocking include:
Telephone
The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...
calls from a given phone number
Telephone number
A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short — as few as one, two or three digits — and were given orally to a switchboard operator...
. Various methods of call blocking include:
- Sending caller to voicemailVoicemailVoicemail is a computer based system that allows users and subscribers to exchange personal voice messages; to select and deliver voice information; and to process transactions relating to individuals, organizations, products and services, using an ordinary telephone...
- Sending caller to busy signalBusy signalA busy signal in telephony is an audible or visual signal to the calling party that indicates failure to complete the requested connection of that particular telephone call....
- Sending caller to "Number No Longer in Service"
- Sending caller to "Keep Ringing"