DBY41002/1 Ericsson Ericsson BusinessPhone Phone Accessory

The Ericsson DBY41002/1 is an option unit designed to extend the functionality of DBC 21X series digital telephones. This expansion module provides additional features and capabilities to the base telephone unit, enhancing its operational flexibility within business communications environments.

The DBY41002/1 is intended for use with Ericsson/Aastra BusinessPhone and MD110 PBX systems, where DBC 21X series handsets are deployed. These option units typically add programmable keys, display enhancements, or connectivity options to the standard telephone configuration.

This is a legacy product from the Ericsson BusinessPhone era, which was subsequently acquired by Aastra and later Mitel. Whilst no longer in active production, these units remain in demand for maintaining and expanding existing installations where DBC 21X telephones are still in service.

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