Cisco 7821 IP phone (CP-7821-3PCC-K9)
Model: CP-7821-3PCC-K9 (Multiplatform firmware for third-party call control) Lines: 2 SIP lines Display: 5″ monochrome backlit screen (396 x 162 pixels) Audio: Wideband audio, full-duplex speakerphone, headset support with EHS Ports: 2x 10/100 Ethernet ports (PC pass-through) PoE: IEEE 802.3af Class 1 support (no external adapter needed) Mounting: Desktop and wall-mountable Ideal For: SMEs, corporate offices, public sector agencies, and P resellers Licensing: No Cisco CUCM license needed for this 3PCC version; works with Asterisk, 3CX, BroadSoft, etc