Tech specs
Brand
Yealink
Product Line
Yealink
Model
T55A
Edition
Skype for Business Edition
Manufacturer
Yealink
IP Address Assignment
DHCP, PPPoE, Static
IP Telephony Network Ports
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Network Features
Class 3 PoE, Lightweight Directory Access Protocol (LDAP), Network Address Translation (NAT)
Network Protocols
DNS, HTTP, HTTPS, SNTP, SRTP, TCP, TFTP, UDP
Phone Connections
Handset jack / RJ-9, Headset jack / RJ-9, USB
Backlit Display
Yes
Color Support
Color
Display Diagonal Size
4.3 inch
Display Diagonal Size (metric)
10.9 centimetre
Display Location
Base
Display Resolution
480 x 272 pixels
Display Type
LCD display
Features
Touch screen
Indicators & Controls
Speakerphone indicator, Visual ringer light, Voice message waiting indicator
Multiple Conferencing
Yes
Speakerphone
Yes
Voice Codec
G.711, G.711µ, G.711a, G.722, G.722.1, G.722.1c, G.723, G.726, G.729ab, iLBC, Opus, SILK
Additional Functions
Emergency call, HD Voice, Intercom
Call Services
Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability, Voice Mail
Caller ID Type
Caller ID
Cordless Phone Standard
DECT
Dialer Location
Base
Main Features
Integrated Ethernet switch, Multiple VoIP protocol support
Operating System
Android
Packaged Quantity
1
Placing/Mounting
Table-top, Wall-mountable
Power Over Ethernet (PoE) Support
Yes
Product Type
VoIP phone
Quality of Service
IEEE 802.1p, IEEE 802.1Q (VLAN), Type of Service (ToS)
Security
IEEE 802.1X, TLS
Voice Features
Acoustic echo cancellation (AEC), Adaptive jitter buffer (AJB), Automatic gain control (AGC), Comfort noise generation (CNG), Packet loss concealment (PLC), Voice activity detection (VAD)
VoIP
Yes
VoIP Protocols
SIP, SIP v2
VoIP Services
Skype
Volume Control
Yes
Wireless Interface Provided
Wi-Fi / Bluetooth
Cables
Network cable - 6.6 ft
Phone Accessories Included
Stand
Base Depth
8.1 inch
Base Height
5 inch
Base Width
8.8 inch
Color
Classic gray
Color Family
Gray
Color Category
Gray
Hearing Aid Compatible
Yes