Cisco 7821 Multiplatform IP Phone

Description

The Cisco 7821 Multiplatform IP Phone is a model of IP phone offered by Cisco Systems. It is designed to be compatible with multiple unified communications platforms, making it suitable for businesses that utilize different systems or are transitioning between platforms.

Here are some key features and specifications of the Cisco 7821 Multiplatform IP Phone:

1. Display: It features a 3.5-inch (396×162 pixels) grayscale display, which provides clear visibility of call information, menus, and other phone features.

2. Line Support: The phone supports two lines, allowing users to handle multiple calls simultaneously.

3. Audio: It includes a full-duplex speakerphone for hands-free communication and also has a dedicated headset jack for connecting a wired headset.

4. Programmable Line/Feature Keys: The Cisco 7821 IP Phone typically provides two programmable line/feature keys that can be customized for various functions such as line appearances, speed dials, or feature access.

5. Ethernet Connectivity: It has dual 10/100 Mbps Ethernet ports, allowing for both phone and PC connectivity over a single network drop.

6. Power Options: The phone can be powered through Power over Ethernet (PoE) or an optional power adapter.

7. Security: The Cisco 7821 IP Phone supports various security features, including Transport Layer Security (TLS) for secure signaling and Secure Real-Time Transport Protocol (SRTP) for secure media transmission.

8. Compatibility: The Multiplatform IP Phone is designed to work with third-party call control platforms, such as Cisco BroadWorks and Asterisk, along with open SIP protocol-based platforms.

9. Setup and Management: The phone can be configured and managed through a web-based configuration utility or a centralized management platform, depending on the unified communications system being used.

Please note that while the information provided is accurate as of my knowledge cutoff in September 2021, Cisco’s product offerings and specifications may change over time. For the most up-to-date information, I recommend visiting Cisco’s official website or contacting their sales representatives.