• Full duplex speakerphone with 360 degree microphone pickup.
  
• Graphical display (248 x 68 pixels).
  
• Microphone coverage expandable with two optional extension microphones.
  
• 3 soft keys to give access to common telephony features.
  
• 5 fixed feature & navigation keys: On/Off Hook, Redial, Mute and Volume Up & Down.
  
• 5 menu and navigation keys.
  
• 12-key telephone keypad.
  

AVAYA 4690 IP SPEAKERPHONE REQUIREMENTS

• * Call Manager R1.3 or higher.
  
• * TN799C or higher circuit pack (C-lan).
  
• * TN2302AP circuit pack (Media Prowler).
  
• * 1151B1 power supply or centralized power.
  

Availability: Call for equipment availability.
Warranty: One year.

Avaya 4690 Speakerphone, With Mics, Gray, Used 700289838