You can forward all incoming calls to another number. For example, your cellphone number.
STEP 1 Press the cfwd softkey.
STEP 2 Enter a number to where all calls should be forwarded, including the area code.
STEP 3 Press dial.
If you are using your cellphone for forwarded calls, please make sure your voicemail is set up to not read back your number. Otherwise, your cellphone number may be revealed if callers are sent to voicemail.