Cisco Unified IP Color Key Expansion Module
Cisco Unified IP Color Key Expansion Module delivers easy expansion with additional line/feature key appearances to extend your IP Phone investment.It is designed for administrative and managerial environments where employees need immediate access to colleagues, or wish to route incoming calls for a department into a single location for more personalized service. Cisco Unified IP Color Key Expansion Module is one of many Phone Couplers, Adapters & Routers available through Office Depot. Made by Cisco.