The SIP-T42S IP phone is a dynamic business communication solution for executives and professionals. The SIP-T42S is also with Yealink technology
With the help of Yealink Optima HD audio technologies, industry-leading acoustic clarity and the newly added Opus support to a wide list of audio codecs, the Yealink T42S guarantees a realistic collaboration experience. With Opus support, the Yealink T42S series delivers better audio quality in both high-bandwidth and poor network conditions, compared to other broadband or narrowband codecs.
The Yealink T42S provides excellent stability and performance with the latest advanced components. The phones feature an optimized interface for a smartphone-like user experience. Its rich one-touch softkeys allow customization, bringing added convenience and increased productivity.
The state-of-the-art design of the Yealink T4S series encompasses telephony excellence as well as elegant design. The use of top-quality materials demonstrates the excellence of workmanship.
The entire T4S series supports enhanced features such as USB call recording, Bluetooth and Wi-Fi connectivity, providing greater flexibility and functionality.
The Yealink T4S supports efficient provisioning and seamless mass deployment with the free Yealink Redirection and Provisioning Service(RPS). What's more, the T4S has a unified firmware and auto-p template that applies to all phone models (T41S, T42S, T46S and T48S), saving even more time and IT costs for businesses.
| Features / filters | |
| AC adapter input voltage | 100 - 240 |
| AC adapter output current | 1.2 |
| AC adapter output voltage | 5 |
| Anonymous call | Yes |
| Anonymous call rejection | Yes |
| Answering machine | Yes |
| Backlight display | Yes |
| Bluetooth | No |
| Cables included | LAN (RJ-45) |
| Call forwarding | Yes |
| Call hold | Yes |
| Call park | Yes |
| Call pick up | Yes |
| Call return | Yes |
| Call transfer | Yes |
| Call waiting | Yes |
| Caller ID | Yes |
| Conference call | Yes |
| Depth | 189 |
| Display | LCD |
| Display diagonal | 6.86 |
| Display resolution | 192 x 64 |
| Do not disturb function | Yes |
| Dual-Tone Multi-Frequency (DTMF) modes | In-band, Out-of band, SIP info |
| Energy saving mode | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| Ethernet LAN data rates | 10,100 |
| Ethernet LAN interface type | Fast Ethernet |
| Front camera | No |
| Full duplex | Yes |
| Handset type | Wired handset |
| Height | 175 |
| Integrated voicemail | Yes |
| Lines quantity | 12 |
| Manual | Yes |
| Mounting | Desk/Wall |
| Networking standards | IEEE 802.3af |
| Number of handles included | 1 |
| Number of programmable keys | 6 |
| Number of VoIP accounts | 12 |
| Operating relative humidity (H-H) | 10 - 95 |
| Operating temperature (T-T) | -10 - 50 |
| Package depth | 223 |
| Package height | 120 |
| Package width | 246 |
| Phonebook capacity | 1000 |
| Phonebook sharing | Yes |
| Power over Ethernet (PoE) | Yes |
| Product colour | Black |
| Product type | IP Phone |
| Quality of Service (QoS) support | Yes |
| Redialing | Yes |
| RJ-9 ports quantity | 2 |
| SIP registrar server | Yes |
| Speakerphone | Yes |
| Speed dialling | Yes |
| Supported network protocols | SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS |
| Touchscreen | No |
| USB 2.0 ports quantity | 1 |
| Voice codecs | CNG,G.711Mu,G.711a,G.723.1,G.726,G.729ab,VAD,iLBC |
| Volume control | Digital |
| Wall mountable | Yes |
| Wi-Fi | No |
| Width | 212 |
