Cisco IP Phone 8841 Used VoIP Phone

Specifications of Cisco IP Phone 8841 Used VoIP Phone

• Brand: Cisco
• Model: IP Phone 8841
• Phone Type: VoIP desktop phone / business-class collaboration endpoint
• Display: 5-inch backlit color widescreen, 800 × 480 resolution
• Programmable line keys: 5 lines
• Soft keys: 4 context-sensitive soft keys
• Speakerphone: Full-duplex wideband audio
• Audio handset: Wideband capable; Hearing Aid Compatible (HAC)
• Headset jack: RJ-9 analog headset port
• Auxiliary port: For electronic hookswitch control of a third-party headset
• Sensor/switch: Gigabit Ethernet 2-port switch (one for PC connection)
• Power over Ethernet (PoE): Yes, IEEE 802.3af Class 2, also supports Cisco Power Cube alternative AC power
• Voice codecs supported: G.711 (A-law & µ-law), G.722, G.722.2, G.729ab, iLBC, iSAC, OPUS
• Network protocols: IPv4, IPv6, DHCP, DNS, TFTP, HTTPS, SRTP, LLDP-MED, CDP, etc.
• Security features: Secure boot, hardware cryptographic acceleration, device authentication, signaling & media encryption (TLS & SRTP)
• Quality-of-Service (QoS) support: IEEE 802.1Q (VLANs), IEEE 802.1p priority tagging
• Physical dimensions (H × W × D): 229.1 × 257.3 × 40 mm (approx.)
• Weight (with handset): approx. 1.17 kg (2.58 lb)
• Operating temperature: 0 °C to 40 °C (32 °F to 104 °F)
• Operating humidity: 10% to 90% non-condensing
• Supported call-control platforms: Cisco Unified Communications Manager 12.5 and later; Cisco Unified Communications Manager Express 10.0 and later; Cisco Business Edition 6000 and later; Third-party hosted call-control (subject to qualification)
• Additional features: Energy-efficient design (EnergyWise certified), optional wall-mount kit, Kensington security slot

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