There are several Personal Feature Keys on the Mitel 5324 IP Phone.

Key 1 Published Extension Number

Key 2 Call Forward Always

Key 3 Multi-Call Prime Extension

Key 4 Headset (switches from Handset to Headset)

Key 5 Voicemail (access for prime extension)

Key 7 History (Displays last 20 calls)

Key 23 Calls Helpdesk Extension 2200

Key 24 Calls Security Extension 2002