User Guide SIP-T22P IP Phone565. Press the Save soft key to accept the change or the Back soft key to cancel.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 pathAccount->Register.You can configure multiple line keys to associate with an account. This enhances callvisualization and simplifies call handling.Incoming calls to this account will be distributed evenly among the available line keys.Outgoing calls will be distributed similarly.Your phone can be configured to have a combination of the accounts with a single linekey and accounts with multiple line keys.Dial plan is a string of characters that governs the way your SIP-T22P IP phone processesthe inputs received from your phone keypad. The SIP-T22P IP phone supports thefollowing 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”, “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 characterwhich 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, tologically combine two or more patterns. Example: