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Cisco CP-8851NR-K9= IP Phone 8851 - VoIP phoneBrand: CiscoType: AccessoriesSpecifications: Main Features: Multiple VoIP protocol support, integrated Ethernet switch
VoIP: Yes
VoIP Protocols: SIP, RTCP, RTP, SRTP, SDP
Voice Codecs: G.722, G.729a, G.711u, G.711a, iLBC, iSAC
Lines Supported: 5 lines
Quality of Service: IEEE 802.1Q (VLAN), IEEE 802.1p
IP Address Assignment: DHCP, static
Security: IEEE 802.1X, TLS
Power Over Ethernet (PoE) Support: Yes
Network Protocols: IP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, DNS, HTTPS, SRTP, Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP
Network Ports Qty: 2 x Ethernet 10Base-T / 100Base-TX / 1000Base-T
Compatible Software: Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later
Network Features: Class 3 PoE
Connec...Model #: CP-8851NR-K9=
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Cisco Headset 531, Wired Single with Quick Disconnect coiled RJ Headset CablePart Number: CP-HS-W-531-RJ=Specifications: Technical Information
Connectivity Technology:
Wired
Sound Mode:
Mono
Impedance:
90 Ohm
Minimum Frequency Response:
50 Hz
Maximum Frequency Response:
18 kHz
Noise Canceling:
Yes
Sound Pressure Level:
118 dB
Earpiece
Earpiece Design:
Over-the-head
Earpiece Type:
Monaural
Microphone
Microphone Technology:
Electret
Condenser
Uni-directional
Microphone Design:
Boom
Interfaces/ Ports
Host Interface:
Quick Disconnect
Physical Characteristics
Form Factor:
Supra-auralModel #: CP-HS-W-531-RJ=
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