Customizing Your Phone53To disable an account via phone user interface:1. Press Me nu->Settings->Advanced Settings (password: admin) ->A ccount.2. Press the Enter soft key.3. Select Disable from the A ctivation 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 pathA ccount->Register.Dial plan is a string of characters that governs the way your SIP-T19P/SIP-T19 IP phoneprocesses the inputs received from your phone keypad. The SIP-T19P/SIP-T19 IP phonesupports the following dial plan features: Replace Rule Dial-now Area Code Block OutThe basic expression syntax you need to know:.The dot ”.” can be used as a placeholder or multiple placeholders for anycharacter. Example:“12.” would match “123 ”, “123 4”, “123 45”, "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 characterwhich matches any of a set of characters. Example:“91[5-7]1234” would match “915 1234”, “9161234”, “917 1234”.()The parentheses “( ) “can be used to group together patterns, for instance, tologically combine two or more patterns. Example:“91([5-7])1(x)” would match “915 11”, “916 18”, “917 15”, etc.$The “$” should be followed by the sequence number of a parenthesis. The“$” plus the sequence number means the whole character or charactersplaced in the parenthesis. The number directs to the right parenthesis whenthere are more than one. Example:A replace rule configuration: Prefix: "9([5-7]) (.)", Replace: "5$2". When youenter "96123" to dial out on your phone, the number will be replaced as "5123"and then dialed out. “$2” means the characters in the second parenthesis,that is, “123”.