Cisco 6821 Multiplatform SIP Phone (not Call Manager)
The Cisco? IP Phone 6800 Series is a cost-effective, high-fidelity voice communications portfolio designed to improve your organisation’s person-to-person communications while reducing your operating costs on approved Unified- Communications-as-a-Service (UCaaS) platforms.
The 6800 Series combines an attractive, new ergonomic design with ?always-on? reliability and secure encrypted communications. The phones deliver advanced IP telephony features and wideband audio capabilities with an easy-to-use, full-featured voice communications experience.
Cisco IP Phone 6821 with Multiplatform Firmware, supports two SIP registrations and has a 2.5-inch (240×120-pixel) grayscale display with white backlighting for easy reading.