Yealink CP925

• 4-inch multi-touch screen with 480x800 resolution 
• Optimal HD audio, full duplex technology 
• Yealink Noise Proof Technology 
• 20-foot (6-meter) and 360-degree voice pickup
• Built-in 6-microphone array for voice pickup 
• Built-in 1-microphone array for noise cancellation 
• Power over Ethernet 
• 5-way conference call 
• Hybrid UC meeting 
• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n) 
• Built-in Bluetooth 4.2 
• Local 3-way PSTN conference via Yealink CPN10

Interface:

• 1 x RJ45 10/100M Ethernet port 
• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n) 
• Built-in Bluetooth 4.2 
• Power over Ethernet (IEEE 802.3af ), class 3 
• 1 x USB 2.0 Type-C device port 
• 1 x Security slot

Display:

• 4” 480x800 capacitive touch screen 
• Volume key 
• Home button

Audio Features:

• Optimal HD audio 
• Yealink Noise Proof Technology 
• Smart Noise Filtering 
• 20-foot (6-meter) microphone pickup range 
• Apply to small to medium conference room 
• Built-in 6-microphone array, 360-degree voice pickup 
• Built-in 1-microphone array, decrease noise 
• Loudspeaker - Frequency: 100-20,000 Hz - Volume: 94dB at 0.5-m peak volume 
• 56mm diameter and 5w speaker 
• Full-duplex speakerphone with AEC 
• Echo cancellation tail length is up to 320ms 
• Background noise suppression 
• Codecs: G722, G722.1C, G726, G.729, G.729A, G723, iLBC, Opus, PCMU (G.711A), PCMA (G.711μ) 
• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO 
• VAD, CNG, PLC, AJB, AGC

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 (TLS1.3) 
• HTTPS certificate manager 
• AES encryption for configuration file (AES256) 
• Adb encryption authenticated 
• Digest authentication using MD5/MD5-sess 
• OpenVPN, L2TP VPN 
• WPA2/WPA3 
• Secure boot 
• GARP (Generic Attribute Registration Protocol)

Phone features:

• 1 SIP account 
• Call hold, mute, DND, call recording, hotline 
• 5-way conference call 
• Analog PSTN calls via CPN10 
• 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 
• Create meeting directly 
• Join meeting seamlessly 
• Active Speaker

Directory:

• Local phonebook up to 1000 entries 
• XML/LDAP remote phonebook 
• Intelligent search method 
• Phonebook search/import/export 
• Call history: dialed/received/missed/forwarded 
• Block list

IP-PBX features:

• Busy Lamp Field (BLF) 
• Multicast paging 
• Intercom 
• Anonymous call 
• Anonymous call rejection 
• Voice mail 
• Distinctive ringtone 
• Call pickup

Management:

• Configuration: browser/phone/auto-provision/Yealink Device Management Platform 
• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy 
• Auto-provision with PnP 
• Zero-sp-touch, TR-069 
• Reset to factory, reboot 
• Package tracing export, system log

Other physical features:

• Color: Black 
• External Yealink PoE adapter (optional) 
• Power consumption (PSU): 3.5W-11W 
• Power consumption (PoE): 4W-12W 
• Dimension (W*D*H): 285mm*289.5mm*59.1mm 
• Operating humidity: 10~90% 
• Storage temperature: -10~40°C (+14~104°F)