It has an intelligent display. ISDN "PLUS" and IP protocol or double supporting 3 simultaneously communication channels (3B+D), 24 programmable keys, 10 auto-dialling keys, 10 priority functions, hands free internal and external communication, bi-colour leds, light indicator of incoming call and intelligent multilingual user’s guide providing 4 logic interactive positions. It still has the following options: data transmission, second voice channel, audio and conventional extension connector.