Yealink SIP-T42U - VoIP phone with caller ID - 5-way call capability - SIP, SIP v2, SRTP - 12 lines - classic gray

General

Product Type

VoIP phone

Body Colour

Classic gray

Manufacturer Warranty

Service & Support

Limited warranty - 1 year

Miscellaneous

Cables Included

Ethernet cable - 2 m

Connections

Headset jack / RJ-9 ¦ Handset jack / RJ-9 ¦ 2 x USB ¦ 2 x network / RJ-45

Included Accessories

Stand

Placing / Mounting

Wall-mountable, table-top

Hearing Aid Compatible

Yes

Display

Type

LCD display - monochrome

Diagonal Size

2.7"

Display Resolution

192 x 64 pixels

Display Location

Base

Backlit

Yes

Phone Features

Dialer Location

Base

Conference Call Capability

5-way

Volume Control

Yes

Indicators

Visual ringer light, voice message waiting indicator

Speakerphone

Yes

Additional Functions

Built-in clock, call recording, redial, mute, HD Voice, auto answer, Do Not Disturb (DND), anonymous call, anonymous call rejection

Call Services

Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Call park/pickup

Caller ID Type

Caller ID

Dimensions & Weight (Base)

Width

21.2 cm

Depth

18.9 cm

Height

17.5 cm

Phone Memory

Phone Directory Capacity

1000 names & numbers

IP Telephony

Network Protocols

IP, TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, TR-069, SNTP, STUN, Lightweight Directory Access Protocol (LDAP)

Main Features

Multiple VoIP protocol support, integrated Ethernet switch

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

Network Ports Qty

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

VoIP Protocols

SIP, SIP v2, SRTP

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

Lines Supported

12 lines

Security

IEEE 802.1X, TLS, SRTP

Network Features

Network Address Translation (NAT), Class 2 PoE, Lightweight Directory Access Protocol (LDAP)

Power Over Ethernet (PoE) Support

Yes

VoIP

Yes