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Mitel 5448 Programmable Key Module (50002824)
Features:
The Mitel 5448 PKM provides 48 additional feature keys for a Mitel 5220 IP Phone. The Mitel 5448 can be programmed as feature keys, speed call keys, Direct Station Select keys, or line appearance keys. Each key has a Line Status Indicator that works the same way as those on the associated telephone. The keys can be programmed through the telephone set.
Compatibility: