Yealink EXP39 Expansion Module IP Phone

Rich visual experience with 160x320 graphic LCD
20 physical keys each with a dual-color LED
20 additional keys through page switch
Daisy-chain 6 modules up to 120 keys
Supports BLF/BLA, speed dialing, call pickup, etc.

160x320 graphic LCD with 16-level gray scales
20 physical keys each with a dual-color LED
20 additional keys through page switch
Supports up to 6 modules daisy-chain
Different icons for each function shown on the LCD
Dual-color LED for 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
Physical Features

2xRJ12 (6P6C) ports for data in and out
Power adapter: AC 100240V input and
DC 5V/3A output
Weight: 290g
Dimensions: 145x182x100mm
Operating humidity: 10 -90%
Storage temperature: max 40C