The AudioCodes EXPANSION_UNIT is a black IP add-on module for extending compatible AudioCodes desk phones. Its 5-inch color touch LCD adds a dedicated display surface alongside the phone, making the expansion unit’s information available at a glance.
It is listed for the UC-C450HD and TEAMS-C450HD phones. The display can show presence indicators, giving users a quick view of contact availability while handling calls or meetings. The module is intended for compatible AudioCodes phone setups that benefit from this additional visual information.
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