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Avaya 32-Button Expansion Module (DBM32)
Compatible with Avaya IP Office R6 and Avaya IP Office Partner Version Up to 3 DBM32s can be connected to an Avaya 1416 phone for a total of 112 linefeature keys or speed dial buttons DBM32 requires an external power supply The total number of DBM32BM32 button modules supported on one IP Office system is 32 subject to the total system limits For Navigator users - receptionsists assistants managers