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(0808 189 1246)
Features
Integrated voicemail
Yes
Handset type
Wired handset
Firmware upgradeable
Yes
Device lock
Yes
Ethernet cable
Yes
Product colour
Grey
Hearing aid compatibility
Yes
Technical details
Integrated voicemail
Yes
Handset type
Wired handset
Firmware upgradeable
Yes
Device lock
Yes
Speakerphone
Yes
Ethernet cable
Yes
Hearing aid compatibility
Yes
Display
Touchscreen type
Capacitive
Touchscreen
Yes
Display resolution
480 x 272 pixels
Display diagonal
10.9 cm (4.3")
Phone features
Message-waiting indicator (MWI)
Yes
Call transfer
Yes
Intercom
Yes
Full duplex
Yes
Do not disturb function
Yes
Conference call
Yes
Caller ID
Yes
Call waiting
Yes
Call pick up
Yes
Call park
Yes
Call hold
Yes
Call forwarding
Yes
Call history
Yes
Audio
Comfort noise generation (CNG)
Yes
Automatic gain control
Yes
Voice activity detection
Yes
Speakerphone
Yes
Noise reduction
Yes
Microphone mute
Yes
Adaptive jitter buffers
Yes
Packet loss concealment (PLC)
Yes
Network
Ethernet LAN interface type
Gigabit Ethernet
Wi-Fi
No
Supported network protocols
IPv4/IPv6
Quality of Service (QoS) support
Yes
Ethernet LAN
Yes
Bluetooth
No
Ports & interfaces
USB 2.0 ports quantity
1
RJ-9 ports quantity
2
Ethernet LAN (RJ-45) ports
2
DC-in jack
Yes
Power
AC adapter output current
1.2 A
Power over Ethernet (PoE)
Yes
Power consumption (typical)
2.6 W
AC adapter output voltage
5 V
AC adapter input voltage
100 - 240 V
Security
Security algorithms
HTTPS-MD5-SIPS-SRTP
Weight & dimensions
Width
223 mm
Depth
206 mm
Height
127 mm
Yealink T55A-TEAMS EDITION MID-LEVEL MEDIA PHONE
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