Subscriber’s Manual138A3.10 Two-way Transfer Button AssignmentFor the Two-way Transfer feature to work at an extension, the extension must have aTWT button on it. This key must either be a DSS/BLF or CO key with a lamp. Followthe procedure below to assign a TWT button on an extension. (This item should beprogrammed by each extension user through Personal Programming.)PC programming is also available for KX-TD500 and KX-TA824 users (see A3.12Button Assignment via PC Programming).1. Enter PITS Programming:a. While on-hook, press the PROGRAM button or set the MEMORY switch to"PROGRAM".b. Enter [99]. (This step is not needed for KX-TA624 and KX-TA824.) The displaychanges to PT-PGM Mode.2. Press the desired FLEXIBLE (CO or DSS/BLF) button that you want to assign asthe TWT button.3. Enter: [91].Screen output: 2Way-Trans:4. Dial the Voice Mail extension number.Screen output: 2Way-Trans: _ _ _(_ _ _ = The extension number you entered).5. Press the STORE button.6. To exit the Personal Programming mode, press the PROGRAM button or set theMEMORY switch to "SET".7. Repeat these steps for each telephone.Conditions:This button must be a CO or DSS/BLF key to beprogrammed as a TWT button. When all Voice Mail portsare busy and this key is pressed followed by an extensionnumber, the user will hear a warning tone.