Unify OpenScape Desk Phone CP405T
The Unify OpenScape Desk Phone CP405T is a professional mid-range digital desk phone designed for organizations using TDM telephony systems. Combining a modern ergonomic design with advanced call management features, the CP405T is ideal for office professionals, receptionists, executives, and team-based work environments that require reliable, efficient business communications.
The phone features a 3.7-inch tiltable monochrome graphical display with LED backlighting, providing excellent readability for call information, directories, and menus. Its intuitive interface includes 16 programmable function keys with LED indicators, four context-sensitive soft keys, and an easy-to-use navigation pad, enabling quick access to speed dials, call forwarding, voicemail, and frequently used business features.
Designed for superior communication, the CP405T delivers full-duplex hands-free audio, adjustable volume controls, and support for both corded and wireless headsets using DHSG/EHS compatibility. Users can efficiently manage multiple calls with features including call transfer, call forwarding, conferencing, voicemail integration, and multi-line operation.
The phone also supports USB connectivity for CTI integration, making it suitable for modern office workflows. For businesses requiring additional programmable keys, the CP405T can be expanded with up to two OpenScape Key Module 400 units, providing enhanced functionality for reception desks, customer service teams, and high-call-volume environments.
Built for durability and everyday business use, the OpenScape Desk Phone CP405T offers dependable performance, intuitive operation, and flexible expansion, making it an excellent communication solution for professional office environments.
Key Features
3.7-inch tiltable monochrome display
16 programmable keys with LED indicators
Four context-sensitive soft keys
Full-duplex hands-free speakerphone
Multi-line call handling
Call transfer, forwarding, conferencing, and voicemail
USB interface for CTI integration
Headset support (DHSG/EHS compatible)
Expandable with up to 2 Key Module 400 units
Compatible with OpenScape Business & OpenScape 4000












