dialplan

noun
UK /ˈdaɪəlplæn/
US /ˈdaɪəlplæn/

A set of rules that tells a phone system what to do when someone makes a call.

The engineer edited the dialplan so calls to the office would ring the right desk.


OTHER MEANINGS

2. In Asterisk and similar systems, a configuration script that matches dialed digits and triggers actions.

The dialplan matched extension 100 and forwarded the call to voicemail.

3. A company's scheme for assigning phone numbers and directing calls between sites.

Their new dialplan uses four-digit extensions across all branches.

4. A plan describing how calls are handled during emergencies or outages.

The backup dialplan routes calls to mobile phones if the main line fails.