Phone Settings39“5123” and then dialed out. “$2” means the characters in the secondparenthesis, that is, “123”.NoteYou can configure one or more replace rules (up to 20) to remove the specified stringand replace it with another string. You can configure a pattern with wildcards (refer tothe expression syntax in the table above), so that any string that matches the patternwill be replaced. This feature is convenient for you to dial out a long number. Forexample, a replace rule is configured as “Prefix: 1” and “Replace: 1234567”, when youwant to dial out the number “1234567”, you just need to enter “1”.To add a replace rule via web user interface:1. Click on Phone->Dial Plan->Replace Rule.2. Enter the string (e.g., 2xx) in the Prefix field.3. Enter the string (e.g., 12345) in the Replace field.4. Enter the desired line ID in the Account field or leave it blank.5. Click Add to add the replace rule.When you enter the number “234” using the keypad and then dial out using theconfigured account, the handset will dial out “12345” instead.To edit a replace rule via web user interface:1. Click on Phone->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 Phone->Dial Plan->Replace Rule.2. Select the one or more replace rules by checking the check box(es).3. Click Delete to delete the replace rule(s).When adding a dial plan rule, you can specify the accounts to apply the dial plan rule inthe Account field. The valid value of the “Account” parameter can be one or more digitsamong 1, 2, 3, 4 and 5, each of which represents a line ID. Digits must be separated bycommas. For example, when you enter the value “1, 2” in the Account field, this dial planrule will apply to account1 and account2.If you leave the Account field blank or enter 0, then this dial plan rule will apply to allaccounts.