– 13 –Busy Line Queuing With CallbackIf you receive a busy signal when you are selecting an outside line,this means that the line or group of lines is busy.1. Press the CALLBACK key or dial 44. You will hear confirmationtone.When the line becomes free the system will call you back.2. Lift the handset or press the ANS/RLS key to answer, wait for dialtone and dial the telephone number or speed dial number again.Note:• A callback will be cancelled if not answered within 30 seconds. If you haveset a callback, your CALLBACK key will light.• If the Hot Keypad feature has been turned off, you must first lift the handset orpress the SPEAKER key before dialling.