Extension module

• 128×384 backlit LCD display
• 20 programmable dual• color buttons per module, 2 pages per module (40 contacts total)
• BLF/speed dial
• Daisy• chain up to 4 modules for up to 160 contacts/extensions
• BLA (bridged line appearance)/SCA (shared call appearance), BLF (busy lamp field, standard or eventlist), Call Park/Pick• up, Speed Dial, Presence, Intercom, and conference/ transfer/forward and more