Setting up a Template© NEC Nederland B.V. 2015 Page 14 M166 CE Manual2.2 The Settings MenuThe DECT Handset configurator allows you to change settings in the M166. Below, theSettings Menu.The following options are available: Handset nameHere you can enter the handset name. This name will be visible in the DECTManager window. Handset NumberThis is the extension number of the M166. Please note that this umber must be thesame as the subscription number. If not the same, writing to the handset will fail. Ringer MelodySelect the Ring tone for an incoming call. Ringer VolumeSelf-explaining Speaker Volume.