Many other features include the built-in handsfree, call timer, voice recorder, voice-recognition commands, conference call up to 6 people, push-to-talk, VoIp calls, agenda, phonebook, clock, alarm clock, calculator and many other more common features. It supports SMS, MMS, instant messenging and e-mail.

On the multimedia sector, the E66 offers a 3.2 Megapixel photocamera with CMOS sensor, 4x digital zoom, autofocus, LED Flash, many different scene modes and special effects, a dedicated photocamera key and the panoramic mode.