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Description
Overview
The Cisco IP Phone 8851 is a business-class collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for telephony integration for personal mobile devices to support midsize to large enterprise businesses.
Product Description
Cisco IP Phone 8851 - VoIP phone
Product Type
VoIP phone
Main Features
Multiple VoIP protocol support, integrated Ethernet switch
VoIP Protocols
SIP, RTCP, RTP, SRTP, SDP
Voice Codecs
G.722, G.729a, G.711u, G.711a, iLBC, iSAC
Lines Supported
5 lines
Speakerphone
Yes
Call Services
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Display
LCD display - color - Yes
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Body Color
Charcoal
Specifications
IP Telephony
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
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
Network Features Class 3 PoE
Miscellaneous
Connections Headset jack / RJ-9 ¦ Electronic hook switch (EHS) ¦ USB
Hearing Aid Compatible Yes
Placing / Mounting Wall-mountable, table mount
Dimensions & Weight (Base)
Width 10.1 in
Depth 1.6 in
Height 9 in
Weight 2.6 lbs
General
Product Type VoIP phone
Body Color Charcoal
Body Material ABS plastic
Phone Features
Wireless Interface Provided Bluetooth
Bluetooth Profiles Hands-Free Profile (HFP), Phonebook Access Profile (PBAP)
Call Services Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Key Expansion Module Max Qty 2
Dialer Type Keypad
Dialer Location Base
Conference Call Capability Yes
Speakerphone Yes
Programmable Buttons Qty 5
Indicators Voice message waiting indicator, speakerphone indicator, headset
Firmware Upgradable Yes
Additional Functions Call timer, Intercom
Display
Type LCD display - color
Display Location Base
Diagonal Size 5"
Display Resolution 800 x 480 pixels
Color Depth 24-bit (16.7 million colors)
Backlit Yes
The Cisco IP Phone 8851 is a business-class collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for telephony integration for personal mobile devices to support midsize to large enterprise businesses.
Product Description
Cisco IP Phone 8851 - VoIP phone
Product Type
VoIP phone
Main Features
Multiple VoIP protocol support, integrated Ethernet switch
VoIP Protocols
SIP, RTCP, RTP, SRTP, SDP
Voice Codecs
G.722, G.729a, G.711u, G.711a, iLBC, iSAC
Lines Supported
5 lines
Speakerphone
Yes
Call Services
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Display
LCD display - color - Yes
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Body Color
Charcoal
Specifications
IP Telephony
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
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
Network Features Class 3 PoE
Miscellaneous
Connections Headset jack / RJ-9 ¦ Electronic hook switch (EHS) ¦ USB
Hearing Aid Compatible Yes
Placing / Mounting Wall-mountable, table mount
Dimensions & Weight (Base)
Width 10.1 in
Depth 1.6 in
Height 9 in
Weight 2.6 lbs
General
Product Type VoIP phone
Body Color Charcoal
Body Material ABS plastic
Phone Features
Wireless Interface Provided Bluetooth
Bluetooth Profiles Hands-Free Profile (HFP), Phonebook Access Profile (PBAP)
Call Services Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Key Expansion Module Max Qty 2
Dialer Type Keypad
Dialer Location Base
Conference Call Capability Yes
Speakerphone Yes
Programmable Buttons Qty 5
Indicators Voice message waiting indicator, speakerphone indicator, headset
Firmware Upgradable Yes
Additional Functions Call timer, Intercom
Display
Type LCD display - color
Display Location Base
Diagonal Size 5"
Display Resolution 800 x 480 pixels
Color Depth 24-bit (16.7 million colors)
Backlit Yes