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Audio Features
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Optimal HD audio
Yealink Noise Proof Technology
Background noise suppression
20-foot (6-meter) microphone pickup range
Apply to small to medium conference room
Built-in 3-microphone array, 360-degree voice pickup
56mm diameter and 5w speaker
Full-duplex speakerphone with AEC
Echo cancellation tail length is up to 320ms
Codecs: G722, G722.1C, G726, G729, G723, iLBC, Opus, PCMA, PCMU
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
VAD, CNG, PLC, AJB, AGC
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Phone Features
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1 VoIP account
Call hold, mute, DND, call recording, hotline
5-way conference call
Flash
Redial, call waiting, emergency call
Call forward, call transfer, call return, dial plan
Ring tone selection/import/delete
Set date time manually or automatically
Volume adjustment
Pairing via Bluetooth
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Directory
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Local phonebook up to 1000 entries
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded
Black list
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IP-PBX Features
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Intercom
Multicast paging
Anonymous call
Anonymous call rejection
Voice mail
Distinctive ringtone
Call pickup
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Display
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3.1" 248x120-pixel graphical LCD with backlight
25 total keys: 4 soft keys, off-hook key, on-hook key, 12-key numerical keypad, Bluetooth, mute, volume keys, 2 navigation keys, OK key
Phone lock
Multilingual user interface
Caller ID with name and number
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Interface
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1 x RJ45 10/100M Ethernet port
Built-in Wi-Fi (2.4GHz，802.11 b/g/n)
Built-in Bluetooth 4.0
Power over Ethernet (IEEE 802.3af ), class 3
1 x USB 2.0 port
1 x Security slot
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Network and Security
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SIP v1 (RFC2543), v2 (RFC3261)
SIP server redundancy supported
IPv4/IPv6
NAT traversal: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV (RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS, DSCP
SRTP for voice encryption
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication using MD5/MD5-sess
OpenVPN, IEEE802.1X
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Management
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Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
Auto-provision with PnP
Zero-sp-touch, TR-069, SNMP
Reset to factory, reboot
Package tracing export, system log
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Other Physical Features
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External Yealink power adapter: AC 100~240V input and DC 12V/1A output
Power consumption (PoE): 3.9w-7.6w
Dimension (W*D*H): 307.8mm*298.5mm*66.9mm
Operating humidity: 10~90%
Storage temperature: -10~40°C (+14~104°F)
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Package Content
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Yealink CP920 IP conference phone
Ethernet Cable (7.5m CAT5E UTP cable)
Quick Start Guide
Yealink Power Adapter
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