Yealink SIP-T20 - Manual (Page 58)

User Guide for the SIP-T20P/SIP-T20 IP Phone
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5. Click Add to add the replace rule.
When you enter the number ―1‖ using the keypad and then press the OK key, the
phone will dial out ―1234‖ instead.
Note
To edit a replace rule via web user interface:
1. Click on Settings->Dial Plan->Replace Rule.
2. Select the desired replace rule by checking the check box.
3. Edit the values in the Prefix and Replace fields.
4. Enter the desired line ID in the Account field or leave it blank.
5. Click Edit to accept the change.
To delete one or more replace rules via web user interface:
1. Click on Settings->Dial Plan->Replace Rule.
2. Select one or more replace rules by checking the check box(es).
3. Click Del to delete the replace rule(s).
Note
You can configure one or more dial-now rules (up to 100) on your phone. When the
dialed out number matches the dial-now string, the number will be dialed out
automatically. For example, a dial-now rule is configured as ―2xx‖, then any entered
three-digit string beginning with 2 will be dialed out automatically on the phone.
To add dial-now rule via web user interface:
1. Click on Settings->Dial Plan->Dial now.
2. Enter the desired value (e.g., 1234) in the Rule field.
The valid values of Account field can be one or more digits between 1 and 2. Each digit
must be separated by a comma. For example, when you enter the value ―1, 2‖ in the
Account field, this replace rule will apply to account1 and account2.
If you leave the Account field blank or enter 0, the replace rule will apply to all accounts.
Replace rule is configurable via web user interface only.