Features Raised display for better viewing Calibrating Built-in Speakerphone Enhanced 2 line message display 8 buttons for transfer, conference, drop, hold, speak, volume, mute, select ring, and display 10 flexible call appearance buttons 22 programmable feature buttons without LEDs 9 additional programmable feature buttons with LEDs Includes jack for additional speakerphone or headset adaptor Compatible with S201A speakerphone for conference applications Requires available port on Digital Line Circuit Pack TN754B Includes Refurbished Includes Avaya Definity 7407 Plus Series User Guide.pdf
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