Phone features

• 1 SIP account 

• Call hold, mute, DND, call recording, hotline     

• 5-way conference call 

• 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: dialled/received/missed/forwarded

• Blocklist           

IP-PBX features

• Busy Lamp Field (BLF)

• Multicast paging           

• Intercom         

• Anonymous call            

• Anonymous call rejection         

• Voice mail       

• Distinctive ringtone     

• Call pickup      

Display

• 4” 480x800 capacitive touch screen     

• Volume key    

• Home button 

Interface

• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)   

• Built-in Bluetooth 4.2 

• 1 x USB 2.0 Type-C device port

• 1 x Security slot            

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     

• HTTP/HTTPS web server            

• Time and date synchronization using SNTP       

• UDP/TCP/DNS-SRV (RFC 3263)

• SRTP for voice encryption         

• Transport Layer Security (TLS1.3)

• HTTPS certificate manager       

• AES encryption for configuration file (AES256)

• Digest authentication using MD5/MD5-sess    

• OpenVPN, L2TP VPN  

• WPA2

• Secure boot   

Management

• Configuration: browser/phone/auto-provision/Yealink Device Management Platform    

• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deployment                               

• Auto-provision with PnP           

• Zero-sp-touch, TR-069

• Reset to factory, reboot             

• Package tracing export, system log

Other physical features

• Color: Black    

• Wi-Fi range     

- Up to 300 meters, depends on Wi-Fi router       

• PSU: 2.2~6W 

• Battery capacity: 7800mAH     

• Charging time: 4 hours              

• Up to 75 hours standby time in Wi-Fi mode (in ideal conditions)             

• Up to 15 hours talk time (in ideal conditions)   

• Dimension (W*D*H): 288.6mm*285.2mm*63.9mm    

• Operating humidity: 10~90%  

• Operating temperature: -10 to +45°C (+14 to 113°F)    

• Storage temperature: -30 to +70°C (-22 to +158°F)        

Package Features

• Package content:         

- Yealink CP935W IP conference phone  

- Charger cradle

- Yealink Power Adapter

- Quick Start Guide          

• N.W/CTN: 7.416 kg     

• G.W/CTN: 8.420 kg     

• Giftbox size: 355mm*349mm*108mm

• Carton Meas: 567mm*357mm*365mm