Aastra Meridian M522 Digital Centrex Telephone Expansion Module

• The M522 is a 22-button expansion unit, with associated LCD indicators, providing additional keys for lines or features.
• Up to two expansions can be used, for a total of 44 extra programmable buttons.
• Combined with Meridian Digital Centrex, the M522 offers effective mini-console capabilities.
• Colors available: Ash, Black, Gray

* MERIDIAN is a trademark of Nortel Networks, used under license by Aastra Technologies Limited.