Product Detail
Aastra M522 Gray, B0240409
Aastra M522 Gray, B0240409 22-Button expansion unit with LCD indicators *Provides Additional Keys for Lines or Features * Offers Effective Mini-Console Capabilities * Up to 2 Expansions Can Be Used for Total of 44 Extra Programmable Buttons *Compatible with Meridian M5216 AND M5316 telephone.