From the external main screen, press and hold the Camera button (located on the hinged edge) until camcorder mode appears (approximately 3 seconds) then release. Alternatively, navigate: Menu > Media Center > Picture & Video > Record Video.
Aim then tap Record to begin recording.
When finished, tap Stop to discontinue recording.
Tap New #, enter the 10-digit mobile number or the email address then tap Done. To add from the Contact list, tap Contact, select (check) the desired contact(s) then tap Done.