Front: 1x USB-C 3.2 Gen 1, 1x USB 3.2 Gen 2 (Always On and fast charge), headphone / microphone combo jack, Rear: 2x USB 3.2 Gen 1, 2x USB 3.2 Gen 2, HDMI, DisplayPort, RJ-45, Display Port
The phone offers an easy-to-use interface and provides a traditional telephony-like user experience, Wideband for enhanced audio clarity, Line keys, Soft keys, Four-way navigation keys
Power Supply
IEEE Power over Ethernet class 2, Cisco IP Phone Power Cube 4
An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through a RJ-45 interface with single LAN connectivity for both the phone and a co-located PC.
Voice Codecs
G.711 a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)
Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control
Power Supply
Supports IEEE 802.3af PoE (Class 3). 48VDC is required; it can be supplied locally at the desktop using an optional AC-to-DC power supply (part number CP-PWR-CUBE-3=) or power injector (CP-PWR-INJ=).
