Networking
| Wi-Fi |
N |
| Ethernet LAN data rates |
100, 10 Mbit/s |
| Quality of Service (QoS) support |
Y |
| Supported network protocols |
SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS |
| Ethernet LAN interface type |
Fast Ethernet |
| Bluetooth |
N |
Technical details
| Answering machine |
Y |
| Speakerphone |
Y |
| SIP registrar server |
Y |
| Dual-Tone Multi-Frequency (DTMF) modes |
SIP info, Out-of band, In-band |
| Number of programmable keys |
6 |
| Integrated voicemail |
Y |
| Phonebook sharing |
Y |
| Keypad illumination |
Y |
| Handset type |
Wired handset |
Phone features
| Do not disturb function |
Y |
| Call return |
Y |
| Call pick up |
Y |
| Full duplex |
Y |
| Call hold |
Y |
| Number of VoIP accounts |
6 |
| Anonymous call rejection |
Y |
| Call transfer |
Y |
| Conference call |
Y |
| Speed dialing |
Y |
| Call waiting |
Y |
| Caller ID |
Y |
| Call park |
Y |
| Redialing |
Y |
| Anonymous call |
Y |
| Lines quantity |
6 lines |
| Phonebook capacity |
1000 entries |
Power
| Energy saving mode |
Y |
| AC adapter output current |
1.2 A |
| AC adapter output voltage |
5 V |
| AC adapter input voltage |
100 - 240 V |
| Power over Ethernet (PoE) |
Y |
Packaging content
| Number of handles included |
1 pc(s) |
Additionally
| Call forwarding capability |
Y |
| Ethernet LAN (RJ-45) ports quantity |
2 |
| Ethernet LAN connection |
Y |
6.858 cm (2.7 ") LCD, 192 x 64, T4S, USB 2.0, 6 SIP, 6 VoIP, PoE, 2x RJ-45, 2x RJ-9, RJ-12
The SIP-T41S is a feature-rich business tool for superior communications and extended functionality. It offers a faster, more-responsive interface than the T41P and several performance-enhancing functions. It’s a six-line IP phone that comes with built-in programmable keys to enhance productivity. The SIP-T41S with Yealink Optima HD Voice technology and wideband codec of Opus delivers superb audio quality and crystal clear voice communications. With an all-new USB port, the SIP-T41S boasts unparalleled functionality and expansibility, which comes ready for future Bluetooth, Wi-Fi and USB recording features. The Yealink’s new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.
