| Audio features | 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 | 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 | 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 | Intercom | Multicast paging | Anonymous call | Anonymous call rejection | Voice mail | Distinctive ringtone | Call pickup |
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| Display | 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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| Network and security | 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 | 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 | 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: -10~40C (+14~104F) |
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CP920
It is time to optimize your conference room with Yealink modern conference phone -the Yealink Touch-sensitive HD IP Conference Phone CP920. With user-centric design philosophy, this new release from Yealink combines simplicity of use with sophistication of features, being perfect for small to medium conference room
