Techno Apogee - Since 2006 in Security Solution

Expansion Module

Type: Expansion Module

Model: EX20B

Brand Name: ATCOM

Origin: China

EX20B, Work with AT840/AT840P, 20 programmable keys, Powered by IP phone directly, Double color LED indicator, Supports BLF, Speed Dail, DND, Directory, Redail, Call Transfer, Call Forward, Call History, Maximum 2 EX20 to work with AT840P at the same time.