Yealink YEA-EXP38, IP Phone Expansion Module

Features Include:

• 38 programmable keys each with a dual-color LED
• Daisy-chain 6 modules for 228 programmable keys
• Dual color (red or green) LEDs for line status information
• Supports Busy Lamp Field(BLF), Bridge Line Appearance(BLA)
• Programmable for speed dialing, call pickup, Intercom, hold, transfer, voicemail, forward, DND...
• Applies to Yealink IP Phone SIP-T28P and SIP-T26P
• Expansion module(<2) is powered by the host phone