Aastra 7433ip Aastra 7433ip for MX-ONE, user guide - Page 82
Direct Inward System Access DISA
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OTHER USEFUL FEATURES 1. Press Hold. 2. Dial *39#. A text message indicate whether the request has been accepted or rejected. 12.8 12.8.1 12.8.2 Direct Inward System Access (DISA) If you are assigned to use the Direct Inward System Access (DISA) feature and you are working externally, you can call your office and get access to an external line in order to make business calls. The business call will be charged to your office extension number or an account number. You will only be charged for the call to the office. The external phone must be of push button type provided with a pound key (#) and a star key (*), or a mobile phone adapted for dial tone pulses (DTMF). After a completed call you must hang up before a new call can be made. The procedure varies depending on whether you use an account code or not, and whether you use a common or individual authorization code. Calling With a Common Authorization Code 1. Call the DISA feature at your office. Wait for dial tone. 2. Dial *72* authorization code #. Wait for a dial tone. 3. Dial the external number. Calling With an Individual Authorization Code 1. Call the DISA feature at your office. Wait for a dial tone. 2. Dial *75* authorization code *. Wait for a dial tone. 3. Dial the external number. Wait for a dial tone. 4. Dial your own extension number and press #. 6/1553-DBC 433 01 Uen D2 2014-03-26 82