Avaya Partner Door Phone Standalone (408466555) 
The Partner Door Phone is a low cost, hands-free door phone unit that operates within a weather resistant enclosure.  Once installed, persons within your office or building can speak directly with outside visitors.  The Partner Door Phone is ideal for indoor as well as outdoor applications.
Partner Doorphone Features 
Connects directly to extension port 
Push Button to ring Door Phone Extension telephones 
Two-way hands-free voice communication 
Adjustable call timer duration (15 sec. to 2 minutes) 
Adjustable microphone and speaker volume 
Selectable Auto Answer feature allows remote audio monitoring (silent monitoring) of door phone location 
Responds to forward disconnect 
Stainless steel faceplate with tamper resistant hardware 
Plastic cone speaker with puncture-resistant, protective screen 
Rough opening dress bezel for flush mount installations 
Weather resistant enclosure 
"Active" LED for use when installing and troubleshooting 
Line powered, no external power required
Partner Doorphone Compatibility
 
Compatible with Partner Communications System R4.0 and  all releases of Partner Plus
 Partner II and      Partner ACS
 Part numbers 
 5324-003
  408466555