Definity Expansion Modules
These Definity Expansion Modules are available in both new and come with a 5 Year Warranty. Just Select the Definity Expansion Module you would like to view from the list below.
Avaya Definity Expansion Modules
TN2224CP
TN2181
TN763D
TN464GP
TN753B
TN747B
TN793B
