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# Dial Plan

The **Custom Dial plan** view allows you to configure dialling digits for various services and networks.

##

^ Item ^ Description ^
| Enable incoming | Turn dial plan on or off for incoming calls. |
| Enable outgoing | Turn dial plan on or off for outgoing calls. |
| Enable custom hangup | Turn custom hang up on or off. |
| All Ports Extension | Port test extension. |
| Test Audio Extension | Audo tests the audio quality. |
| Test Echo Extension | Echo returns the outgoing audio from a channel back to the channel. |