Yealink Yealink SIP-T21P, User Manual

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Customizing Your Phone
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You can repeat steps 2 to 5 to register more accounts.
To disable an account via phone user interface:
1. Press Menu->Settings->Advanced Settings (password: admin) ->Accounts.
2. Select the desired account and then press the Enter soft key.
3. Select Disable from the Activation field to disable the account.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
Account registration is configurable via web user interface at the path
Account->Register.
You can configure multiple line keys to associate with an account. This enhances call
visualization and simplifies call handling.
Incoming calls to this account will be distributed evenly among the available line keys.
Outgoing calls will be distributed similarly.
Dial plan is a string of characters that governs the way your SIP-T21P IP phone processes
the inputs received from your phone keypad. The SIP-T21P IP phone supports the
following dial plan features:

Replace Rule

Dial-now

Area Code

Block Out
The basic expression syntax you need to know:
.
The dot ”.” can be used as a placeholder or multiple placeholders for any
character. Example:
“12.” would match “123”, “1234”, “12345”, "12abc", etc.
x
An “x” can be used as a placeholder for any character. Example:
“12x” would match “121”, “122”, “123”, "12a", etc.
[]
The square brackets “[]”can be used as a placeholder for a single character
which matches any of a set of characters. Example:
“91[5-7]1234” would match “9151234”, “9161234”, “9171234”.
()
The parentheses “( ) “can be used to group together patterns, for instance, to
logically combine two or more patterns. Example:
“91([5-7])1(x)” would match “91511”, “91618”, “91715”, etc.
$
The “$” should be followed by the sequence number of a parenthesis. The
“$” plus the sequence number means the whole character or characters