General
Phone Features
Call Services
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
Key Expansion Module Max Qty
6
Conference Call Capability
3-way
Programmable Buttons Qty
10
Indicators
Visual ringer light, voice message waiting indicator
Additional Functions
Built-in clock, call recording, redial, mute, Music on hold, HD Voice, group call pickup, Do Not Disturb (DND)
IP Telephony
Main Features
Multiple VoIP protocol support, integrated Ethernet switch
VoIP Protocols
SIP, SIP v2
Voice Codecs
G.722, G.723.1, G.729ab, G.711u, G.711a, G.726, iLBC, Opus
Quality of Service
IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)
IP Address Assignment
DHCP, static, PPPoE
Power Over Ethernet (PoE) Support
Yes
Network Protocols
TCP, TFTP, UDP, HTTP, DNS, SNMP, HTTPS, SRTP, SNTP
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Voice Features
Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), Yealink Optima HD voice technology
Network Features
Network Address Translation (NAT), Class 3 PoE, Lightweight Directory Access Protocol (LDAP)
Phone Memory
Phone Directory Capacity
1000 names & numbers
Display
Display Resolution
480 x 272 pixels
Colour Depth
16-bit (65000 colours)
Display Languages
Multilingual
Miscellaneous
Connections
Headset jack / RJ-9 ¦ Accessory port / RJ-12 ¦ 2 x USB
Hearing Aid Compatible
Yes
Placing / Mounting
Wall-mountable, table-top
Cables Included
Network cable - 2 m
Included Accessories
Stand
Dimensions & Weight (Base)