Hold down page button on 2150 base till you hear tone(10-15 seconds) 'in use' LED should flash Intermittently.On handset press 'options' button, tab down menu till you reach 'registration', press 'options' to select.You should be presented with a list of bases.Select the base you want and press 'options' to select.The handset will indicate that it is searching for base untill it finds it.
Matt, October 2009
