Main Features



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 ,SIP-T26P and SIP-T38G
expansion module(