Mitel 6800i Series Administrator's Manual page 308

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Mitel 6800i Series SIP Phone Release 4.1.0 Administrator Guide

PREFIX DIALING

The IP phones support a prefix dialing feature for outgoing calls. You can manually dial a number

or dial a number from a list. The phone automatically maps the pre-configured prepended digit

in the configuration, to the outgoing number. When a match is found, the prepended digits are

added to the beginning of the dial string and the call is dialed.

Note: The prepend digits are also added if the dialing times-out on a partial match.

You can enable this feature by adding a prepend digit(s) to the end of the Local Dial Plan

parameter string in the configuration files or the Mitel Web UI at

Basic Settings->Preferences->General.

For example, if you add a prepend map of "[2-9]XXXXXXXXX,91", the IP phone adds the digits

"91" to any 10-digit number beginning with any digit from 2 to 9 that is dialed out. Other

examples of prepend mappings are:

1X+#,9 (Prepends "9" to any digit string beginning with "1" and terminated with "#".)

6XXX,579 (Prepends "579" to any 4-digit string starting with "6".)

[4-6]XXXXXX,78 (Prepends "78" to any 7-digit string starting with "4", "5", or "6".)

Note: You can configure a local dial plan via the configuration files or the Mitel Web UI.

If you enter the following dial string for a local dial plan:

sip dial plan: 1+#,9

where "9" is the prepended digit, and you dial the following number:

the IP phone automatically adds the "9" digit to the beginning of the dialed number before the

number is forwarded as 915551212.

Note: You can configure a local dial plan via the configuration files or the Mitel Web UI.

SIP DIAL PLAN TERMINATOR

The IP phone provides a feature that allows an administrator to configure whether or not

pressing the hash/pound (i.e. "#") key, while performing an outgoing call on an open line, should

be sent as %23 to the proxy in the dial string or if the key should be used as a dial plan terminator

(i.e. dials out the call immediately). By default, the hash/pound key is configured as a dial plan

terminator; however, an administrator can change the behavior using the Mitel Web UI or the

configuration files.

Troubleshooting