Cisco UC500 series Configuration Manual page 32

4.3.22 Click on the "Dial Plan" tab to add dialplan specific parameters. This is used to
define the numbering plan for outbound calls and also define the Access Code to dial out.
On this screen – there is also the option to configure DIDs which implies mapping the
external10 digit PSTN numbers to internal extensions on IP phones (section 4.3.23)
Number of digits per Extension: 3
Numbering plan Locale: North American
Emergency Numbers: 911
the rest of the parameters are left as default in this example.
Figure 4.3.22 Dial Plan
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