The SIP-T42S IP phone is a dynamic business communications tool for superior voice communications and extended functionality. It has a faster, more responsive interface than the T42G and offers better overall performance. The SIP-T42S is a 12-line IP phone with multiple programmable keys for enhancing productivity. It is with Yealink Optima HD Voice Technology and wideband codec of Opus for superb sound quality and crystal clear communications. What’s more, the SIP-T42S is built with Gigabit Ethernet technology for rapid call handling. Plus, with an all-new USB port, the SIP-T42S boasts unparalleled functionality and expansibility, which comes ready for future Bluetooth, Wi-Fi and USB recording features. The new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.
Products specifications
Attribute name | Attribute value |
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Voice codecs | CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC |
Number of programmable keys | 6 |
Lines quantity | 12 lines |
Number of VoIP accounts | 12 |
Width | 720p,1080p |
Height | 6.89" |
Mounting | Desk/Wall |
Speakerphone | Y |
Volume Control | Digital |
AC adapter output voltage | 5 V |
Caller ID | Y |
Conference call | Y |
Front camera | N |
Backlight display | Y |
Speed dialing | Y |
Energy saving mode | Y |
Call hold | Y |
Handset type | Wired handset |
Redialing | Y |
Call forwarding | Y |
Do not disturb function | Y |
Call park | Y |
Call pick up | Y |
Anonymous call rejection | Y |
Call return | Y |
Call transfer | Y |
Integrated voicemail | Y |
Number of handles included | 1 pc(s) |
Depth | 7.44" |
Display | LCD |
Touchscreen | N |
Bluetooth | N |
Phonebook capacity | 1000 entries |
Dual-Tone Multi-Frequency (DTMF) modes | In-band, Out-of band, SIP info |
Anonymous call | Y |
Phonebook sharing | Y |
SIP registrar server | Y |
RJ-9 ports quantity | 2 |
Product color | Black |
Product type | IP Phone |
Full duplex | Y |
Wall mountable | Y |
Display resolution | 192 x 64 pixels |
Package width | 1.69 oz |
Package depth | IEEE 802.1p, IEEE 802.1x, IEEE 802.3ab, IEEE 802.3ae, IEEE 802.3af, IEEE 802.3aq, IEEE 802.3at, IEEE 802.3bz, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x |
Package height | 4.72" |
Cables included | LAN (RJ-45) |
Manual | Y |
Networking standards | IEEE 802.3af |
Ethernet LAN | Y |
Ethernet LAN (RJ-45) ports | 2 |
USB 2.0 ports quantity | 1 |
AC adapter output current | 1.2 A |
AC adapter input voltage | 100 - 240 V |
Ethernet LAN interface type | Y |
Ethernet LAN data rates | 10,100 Mbit/s |
Wi-Fi | N |
Quality of Service (QoS) support | Y |
Operating temperature (T-T) | -10 - 50 °C |
Operating relative humidity (H-H) | 10 - 95 % |
Display diagonal | 2.7" |
Supported network protocols | SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS |
Power over Ethernet (PoE) | Y |
Call waiting | Y |
Answering machine | Y |