Aastra Meridian M522 Digital Centrex Telephone Expansion Module
The M522 Meridian Mate Expansion Module is compatible with both the M5216 and M5316.
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- 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.
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