FeaturesOne way speaker10 call appearance or flexible feature buttons7 fixed-feature buttons for conference, drop, transfer, hold, select, volume, speakerMessage waiting indicatorAdjunct jack for headset or speakerphoneCompatible with Model S201A SpeakerphoneRequires an available port on Digital Circuit Pack TN754BIncludes RefurbishedLibrary Avaya Definity 7410 Plus Series User Guide.pdf
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