Enterprise mobility relies on effective voice communication across modern workspaces. The Cisco Unified Communications system offers a suite of voice, video, data, and mobile solutions to boost operational efficiency. As part of this portfolio, the Cisco Unified IP Phone 7900 Series addresses diverse business needs with reliable endpoints for mobile and stationary personnel.
System management and call control are driven by platforms including Cisco Unified Communications Manager, Cisco Unified Communications Manager Express, and Cisco Unified Survivable Remote Site Telephony. Together, these systems establish a resilient infrastructure that maintains continuous uptime and secure operations across enterprise sites.
Product overview
The Cisco Unified Wireless IP Phone 7921G delivers secure voice mobility across campus Wi-Fi networks. Designed for active workers needing on-the-move access, this IP phone offers multi-line support, wideband audio, and presence visibility. Cisco provides dedicated regional models, including FCC, ETSI, Japan, and Rest of World versions.
To ensure reliable voice quality, the handset seamlessly integrates with Cisco Wireless LAN Controllers and Cisco Aironet access points, including the Cisco Aironet 350 Series, 1000 Series Lightweight, 1100 Series, 1130 AG, 1140 Series, 1200 Series, 1240 AG, 1250 Series, and 1300 Series. Centralized device management and provisioning are supported via tools like Wavelink Avalanche.
To suit demanding commercial environments, the phone connects with several specialized accessories. Power solutions include standard and extended Li-ion batteries, a desktop charger with an integrated speakerphone, and a multi-charger unit. Peripherals encompass Plantronics 2.5-mm headsets, Zcover silicon cases, System Wear heavy-duty polymer cases, leather carry cases, holsters, shoulder straps, lock sets, and USB cables.
Features and benefits
• High-Definition Audio: Supports wideband audio codecs (G.722, iLBC, G.711, G.729) for crystal-clear voice communications.
• Display & Call Features: Equipped with a 2-inch color display (176 x 220 pixels) supporting 6 lines, presence status, and interactive XML applications.
• Robust Wireless Support: Compatible with IEEE 802.11a/b/g standards, featuring dynamic frequency selection and transmit power control.
• Enterprise Security: Protects voice media and signaling via TLS, SRTP, and 802.1X authentication (LEAP, PEAP, EAP-FAST, EAP-TLS, WPA/WPA2).
• Flexible Power Options: Standard Li-ion battery provides up to 11.5 hours talk time; extended Li-ion battery offers up to 15.5 hours talk time.
• Accessory Integration: Integrates with Plantronics 2.5-mm headsets, Zcover silicon cases, System Wear cases, desktop chargers, multi-chargers, and locks.
