HomeNortel Aastra/CentrexNortel M522 Expansion Module (NT4X43)

Nortel M522 Expansion Module (NT4X43) The Nortel Centrex M522 Expansion Module for M5316 phones adds 22 line indication/feature buttons to your phone. $65.00 Ash Refurbished

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The Nortel Centrex M522 Expansion Module for M5316 phones adds 22 line indication/feature buttons to your phone.

Up to two M522s can be added to your M5316.

Requires either a single or double footstand, sold separately.

Two Year Warranty