4-line keys (arranged 8+6 on two displays) supporting up to 44-line key assignments for lines, contacts, and features supported with pagination
4 context-sensitive “soft” keys
4-way navigation key cluster with center “Select” key
Home and back feature keys
Pagination key for additional lines/contacts
Volume + / - control keys
Hold and Transfer keys
Headset select key
Speakerphone select key
Mute key (illuminated when muted)
Voicemail key
One Poly Edge E Expansion module is supported for addition line keys – order separately