Yealink EXP39 IP 20 Button Module w/ LCD

Yealink EXP39 Expansion Module features LCD for desi-less design,  20 fully programmable DSS keys each with a dual-color LED, connected to and controlled by the IP Phone with an RJ-12 cable line. It creates up to 120 additional programmable extensions when 6 EXP39 are daisy chained with the IP Phone.

Key Feature

• 20 programmable keys each with a dual color LED
• LCD instead of paper designation strip
• Daisy-chain 6 modules for 120programmable keys
• BLF/BLA, Speed dial, Call pickup, Call park, Intercom
• Applies to Yealink IP Phone SIP-T28P and SIP-T26P
• 1st two Expansion module are powered by the host phone.  3 or more requires external power adapter

More details on the Yealink EXP39 module