Avaya IP500 16-Port Analog Expansion Unit (700449507)

Avaya IP500 16-Port Analog Expansion Unit Description: The Avaya IP Office IP500 Phone 16 Expansion Module supports the addition of 16 analog ports on your IP Office System.  Avaya 700449507 Features: 16 Analog Ports Allows for 16 analog station devices Same functionality as the IP400 Phones 16 V2, but with matching exterior of IP500 control unit Compatibility: Supported by the IP406 V2, IP412, IP500 and IP500 V2 control units IP500 running R4.2 or earlier; Professional Edition is required IP500 running R5.0 or higher IP500 V2 running R6.0 or higher External expansion modules are only supported by the IP500 when running in IP Office Professional Edition mode Includes: (1x) Avaya IP500 16-Port Analog Expansion Unit (700449507)