Is it possible to make internal calls with the E 360 / E 365?! New Case
Yes it is possible!
Internal calls are free calls between handsets that you have registered on the same base station. In order to be able to initiate an internal call, one of the speed dialling keys must be programmed for internal calls.
Press "Menu"
Select "Settings" and press OK
Select "Direct Diall. Keys" and press OK
Select I, II, III, or IV and press "Menu"
Select "Label with internal Call" and press OK