Cisco CP‑7821‑3PCC‑K9‑N – IP Phone 7821 – Two‑Line VoIP Desk Phone – PoE Enabled – SIP Compatible

Cisco

CP‑7821‑3PCC‑K9‑N – IP Phone 7821

The Cisco CP‑7821‑3PCC‑K9‑N is an advanced VoIP desk phone designed for clear and reliable communications in professional environments. Ideal for knowledge workers, administrators, and support staff, the 7821 model offers a combination of intuitive user experience, secure SIP signaling, and high-quality audio. With support for two SIP lines, a bright 3.5-inch backlit grayscale display, and dual 10/100 Ethernet ports, this IP phone balances performance, usability, and energy efficiency. Engineered for use with Cisco’s multiplatform firmware and compatible with third-party SIP-based platforms, the CP‑7821‑3PCC‑K9‑N brings enterprise-grade communication to small businesses, remote workers, and shared office spaces.

Features :

The Cisco 7821 IP Phone offers rich VoIP functionality in a sleek and modern design that suits a wide range of business environments. The high-resolution 396 x 162 pixel grayscale display ensures excellent visibility of menus, contacts, caller ID, and call logs, even in low-light environments. It is built with a full-duplex speakerphone that allows users to engage in hands-free communication without compromising audio clarity. Dual 10/100 Ethernet ports enable seamless network connectivity and support for PC pass-through, making it ideal for desks with limited cable management. The phone supports industry-standard audio codecs, including G.711, G.729a, G.722 for wideband audio, iLBC, and OPUS, providing consistent voice quality across various network conditions.

Advanced Options :

This model also emphasizes security and network protection with support for Transport Layer Security (TLS), Secure Real-Time Transport Protocol (SRTP), and 802.1X network authentication. Its compact and ergonomic design fits naturally in office spaces and supports energy-efficient operations with EnergyStar and Cisco EnergyWise compliance. The 7821 can be powered via PoE (Class 1) or an optional external power adapter, offering flexible deployment options. The CP‑7821‑3PCC‑K9‑N operates on Cisco’s multiplatform firmware (MPP), allowing it to integrate seamlessly with leading hosted UC services and SIP-based communication platforms outside of Cisco’s CUCM ecosystem. It includes advanced telephony features such as call forwarding, transfer, mute, hold, redial, and conferencing, along with access to visual voicemail and corporate directories. With support for multiple languages and intuitive navigation, the Cisco 7821 is a productivity-enhancing asset in any office.