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544 Valley Forge Rd. Phoenixville PA 19460 - 800-777-3725


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We provide Mitel licensing, software, new and rebuilt parts, systems and equipment all with an “as new” guaranty.

544 Valley Forge Rd. Phoenixville PA 19460 - 800-777-3725

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Mitel 5424 and 5424 Key Module

Mitel 24 – 48 Programmable Key Modules 5424 and 5448


This add-on unit features from 24 to 48 additional feature keys for Mitel’s 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 directly through the telephone set, thereby customizing the system to each users’ needs.


If you have a different model system, Resale Systems has other keypad expansion systems  available. Give us a call and we will be happy to help you find the module that is comparable.


There is never a charge for our technical assistance, and all Resale Systems Parts, Accessories and systems are warranted the same as new equipment.



Resale Systems offers warranted, refurbished Mitel telephones, parts systems and equipment


Need to expand your system? The Mitel Programmable Key Modules represent a cost effective answer!