If your Dect phone is flashing "Base 1" this means it has lost its sync with the WorldCommunicator. To correct this you must do the following: Install the software program V-Light on your PC. This is on the CD Fom that came with your terminal. Connect your computer with the WorldCommunicator via a serial cable. Run the V-light program. On the top menu click Configure / scroll down to Device manager Under Dect handsets folder you will see two sub folders, Speech and 64K Speech. You will see a + sign next to any folder that has a handset registered. If you have no handsets that are working you should highlight and delete any handsets that may appear under the Dect menu. Then click on the button at the top labeled "New Dect" You may be prompted for the Owner password. Type 1234567890 then click [OK]. The Dect Wizard should launch. For Terminal ID for the first Dect handset you should enter 02. For Service you have two choices. Speech should be selected for low cost voice. Click the right hand. The next page you should enter the following: For the first handset - MSN: 01 Handset ID: 1 Then click the right hand. Your wizard should be flashing "Open for registration" NEXT: With you Dect phone press the Menu button, the small middle button with three lines on it. Scroll down using the left bar to Settings and press [OK] Scroll down to register and press [OK] Scroll to Base 1 and press [OK] You will be prompted to enter a base code: Type [1234] and press [OK] Your Dect Wizard should show "Registered" You handset should now be able to be used with the WorldCommunicator. If you have any problems or questions please contact us.