Yealink T55A - Skype for Business Edition - VoIP phone - SIP, SIP v2, SRTP - classic gray

General

Product Type

VoIP phone

Body Colour

Classic gray

Miscellaneous

Cables Included

Ethernet cable - 2 m

Connections

Headset jack / RJ-9 ¦ USB ¦ Handset jack / RJ-9

Included Accessories

Stand

Placing / Mounting

Wall-mountable, table-top

Hearing Aid Compatible

Yes

Display

Type

LCD display - colour

Features

Touch screen

Diagonal Size

4.3"

Display Resolution

480 x 272 pixels

Display Location

Base

Backlit

Yes

Phone Features

Operating System

Android

Dialer Location

Base

Conference Call Capability

Yes

Volume Control

Yes

Indicators

Voice message waiting indicator

Speakerphone

Yes

Additional Functions

Intercom, Music on hold, Yealink Noise Proof Technology, call park, group call pickup

VoIP Services

Skype

Call Services

Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability

Dimensions & Weight (Base)

Width

22.3 cm

Depth

20.6 cm

Height

12.7 cm

IP Telephony

Network Protocols

TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, SNTP

Main Features

Multiple VoIP protocol support, integrated Ethernet switch

Voice Codecs

G.722, G.723.1, G.726, iLBC, SILK, G.729A/B, G.711A/µ

Quality of Service

IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)

IP Address Assignment

DHCP, static, PPPoE

Network Ports Qty

2 x Ethernet 10Base-T/100Base-TX/1000Base-T

VoIP Protocols

SIP, SIP v2, SRTP

Compatible Software

Microsoft Office 365

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

Security

IEEE 802.1X, TLS

Network Features

Network Address Translation (NAT), Class 3 PoE

Power Over Ethernet (PoE) Support

Yes

VoIP

Yes