Telematrix 19400-AVAYA SP400 Avaya Compatible LED Single Line Spkrphone Ash

• Single Line Analog Speaker Telephone with 11 feature keys
• Compatible for installation behind a POTS PABX or Centrex telephone line
• Large TouchLiteŽ Message Waiting Indicator/One-Touch Retrieval Key
• Advanced Microprocessor Technology
• Exceptional Quality Speakerphone
• 11 programmable feature keys with interchangeable keycaps for customized labeling
• 8-Step Volume Bar for controlling Speaker/Handset/Headset/Ringing Volume
• Headset Feature With: Modular AND 2.5mm Headset connectivity ports Built-in amplifier Separate HEADSET ON/OFF line activation key (with LED indicator) Freedom to switch between headset and handset operation.
• MUTE key with indicator to disable the speaker/headset/handset microphone
• Four audible ringing cadence options- user adjustable
• Flash Key
• Last Number Redial Feature
• Electronic Hold Key with LED indicator (with remote release)
• Data Port on the phone base
• Disconnect Key (New Call Feature)
• Adjustable Index Card Stand