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Yealink SIP-T43U is a feature-rich business IP phone with a 3.7-inch graphical LCD and support for 12 SIP accounts, designed to enhance communication and productivity. Integrated Hall Switch offers a quieter experience, while Optima HD Voice ensures superb audio quality. Dual USB ports enable Bluetooth, Wi-Fi, USB headset, and recording, allowing flexible customization. T43U supports color-screen expansion modules and is compatible with more Yealink headsets for better collaboration. With elegant design, quick responsiveness, and strong interoperability, it delivers an efficient office communication solution.
| Feature | Details |
|---|---|
| SIP Lines | 12 |
| Colour | Black Monochrome Display |
| Screen | 3.7 inch 360x160 Graphical LCD |
| DSS Keys | Multiple Programmable DSS Keys |
| Phone Book | Yes |
| Call Log | Yes |
| Wideband Codec | G.722,Opus Yealink Optima HD Voice |
| PoE | Yes |
| WiFi | Wi-Fi via WF40 or WF50 |
| USB | 2 |
| Network | 10/100/1000 |
| Bluetooth | Bluetooth via BT40 BT41 or BT52 |
| Camera | - |
| Video Call | - |
| Video Codec | - |
| Conferencing | 5-way audio conferencing |
| DSS Expansion Module | 43 |
| Key Features | ||
|---|---|---|
| 3.7 inch 360x160 pixel graphical LCD with backlight | Dual USB ports | T4U Auto P template unified |
| T4U firmware unified | Up to 12 SIP accounts | PoE support |
| USB headset and EHS support | Wi-Fi via WF40 WF50 | Bluetooth via BT40 BT41 BT52 |
| Supports color screen expansion modules | Stand with 2 adjustable angles | Wall mountable |
| Handset with hall switch | ||
| Audio Features | ||
| HD voice HD handset HD speaker | Hearing aid compatible HAC handset | Acoustic Shield |
| Smart Noise Filtering | Wideband codec AMR-WB optional G.722 | Narrowband codec AMR-NB optional PCMU G.711u00b5 PCMA G.711A G.723.1 G.729 G.729A G.729B G.729AB G.726 iLBC |
| DTMF In-band Out-of-band RFC 2833 and SIP INFO | Full-duplex hands-free speakerphone with AEC | VAD CNG AEC PLC AJB AGC |
| Phone Features | ||
| 12 VoIP accounts | One-touch speed dial redial | Call forward call waiting call transfer call hold |
| Call return group listening | Emergency call | Mute DND |
| Auto answer | Hotline | 5-way conference call |
| Direct IP call without SIP proxy | Ring tone selection import delete | Set date time manually or automatically |
| Dial Plan XML Browser Action URL URI | RTCP-XR RFC3611 VQ-RTCPXR RFC6035 | Dual USB ports 2.0 compliant |
| Bluetooth headset through BT40 BT41 BT52 | Support Yealink Bluetooth headset BH71 BH71 Workstation BH71 Workstation Pro BH72 BH76 UH38 through BT52 | DECT wireless headset Yealink WH62 Portable WH63 Portable |
| Contact synchronization through BT40 BT41 BT52 | Simultaneous connection of one headset and one mobile phone through BT40 BT41 BT52 | Wi-Fi through WF40 WF50 |
| USB call recording through USB flash drive | USB headset | Expansion Module EXP43 |
| Wireless Headset Adapter EHS40 | USB Bluetooth connectivity to Yealink CP900 CP700 speakerphone wireless headset UH38 USB connectivity to Yealink wired headset UH34 UH36 UH37 | Basic functions Answer end call mute |
| Enhanced function audio optimization redial call hold volume synchronization multiple calls control | Enhanced DSS key | |
| Directory | ||
| Local phonebook up to 1000 entries | Blocklist | XML LDAP remote phonebook |
| Smart dialing | Phonebook search import export | Call history dialed received missed forwarded |
| IP-PBX Features | ||
| Busy Lamp Field BLF Bridged Line Appearance BLA | Anonymous call anonymous call rejection | Hot-desking voice mail |
| Flexible seating Executive and Assistant | Call park call pickup | Centralized call recording call recording |
| Visual voice mail | ||
| Display and Indicator | ||
| 3.7 inch 360x160 pixel graphical LCD with backlight | LED for call and message waiting indication | Dual color red or green illuminated LEDs for line status information |
| Intuitive user interface with icons and soft keys | Multilingual user interface | Caller ID with name and number |
| Power saving | ||
| Feature keys | ||
| 8 line keys with LED | 8 line keys can be programmed up to 21 paperless DSS keys 3-page view | 5 feature keys message headset mute redial hands-free speakerphone |
| 4 context-sensitive soft keys | 6 navigation keys | 2 volume control keys |
| Illuminated mute key | Illuminated headset key | Illuminated hands-free speakerphone key |
| Interface | ||
| Dual-port Gigabit Ethernet | Power over Ethernet IEEE 802.3af Class 2 | 2 x USB port 2.0 compliant |
| 1 x RJ9 4P4C handset port | 1 x RJ9 4P4C headset port | |
| Other Physical Features | ||
| Color Classic Grey | Stand with 2 adjustable angles | Wall mountable |
| External Yealink AC adapter optional AC 100-240 V input and DC 5 V 1.2 A output | USB output current 5 V 500 mA | Power consumption PSU 0.9-2.2 W |
| Power consumption PoE 1.5-3.2 W | Dimension W D H T 224.9 u00d7 206.2 u00d7 174.9 u00d7 52 mm | Operating humidity 5% to 90% noncondensing |
| Operating temperature -10 to +45u00b0C +14 to 113u00b0F | Storage temperature -30 to +70u00b0C -22 to +158u00b0F | |
| Management | ||
| Configuration browser phone auto-provision | Auto provision via FTP TFTP HTTP HTTPS for mass deploy | Auto-provision with PnP |
| Broadsoft device management | Zero-sp-touch TR-069 | Phone lock for personal privacy protection |
| Reset to factory reboot | Package tracing export system log | |
| Network and Security | ||
| SIP v1 RFC2543 v2 RFC3261 | Call server redundancy supported | NAT traversal STUN mode |
| Proxy mode and peer-to-peer SIP link mode | IP assignment static DHCP | HTTP HTTPS web server |
| Time and date synchronization using SNTP | UDP TCP DNS-SRV RFC 3263 | QoS 802.1p Q tagging VLAN Layer 3 ToS DSCP |
| SRTP for voice | Transport Layer Security TLS 1.3 | HTTPS certificate manager |
| AES encryption for configuration file AES256 | Digest authentication MD5 SHA1 SHA224 SHA256 SHA384 SHA512 | OpenVPN IEEE802.1X L2TP VPN |
| IPv6 | LLDP CDP DHCP VLAN | ICE |
| WPA2 WPA3 | Secure boot | GARP Generic Attribute Registration Protocol |
| Package Features | ||
| Package content Yealink SIP-T43U IP phone | Handset with handset cord | Ethernet Cable 2m CAT5E UTP Cable |
| Stand | Quick Start Guide | Power Adapter Optional |
| Wall Mount Bracket Optional | Qty CTN 5 PCS | N.W CTN 6.0 kg |
| G.W CTN 6.6 kg | Giftbox size 246 u00d7 223 u00d7 120 mm | Carton Meas 627 u00d7 256 u00d7 235 mm |
| Category | Name | Download |
|---|
| Company | Contact | Mobile | |
|---|---|---|---|
| Trust Marketing | Periathambi | 8144433333 | thambi@trust.co.in |
| Trust Solution | Suresh | 9884089999 | sales@trustsolutions.co.in |
| Aspire Systems And Solution | Karthikeyan | 9677166614 | karthik@aspiresystemsandsolutions.in |
| Dacom Solutions | Palanikumar | 7397377950 | sales@dacom.in |
| Vasani Enterprises | Vasani | 8080717183 | ve@vasanis.com |
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Yealink SIP-T43U is a feature-rich business IP phone with a 3.7-inch graphical LCD and support for 12 SIP accounts, designed to enhance communication and productivity. Integrated Hall Switch offers a quieter experience, while Optima HD Voice ensures superb audio quality. Dual USB ports enable Bluetooth, Wi-Fi, USB headset, and recording, allowing flexible customization. T43U supports color-screen expansion modules and is compatible with more Yealink headsets for better collaboration. With elegant design, quick responsiveness, and strong interoperability, it delivers an efficient office communication solution.
| Feature | Details |
|---|---|
| SIP Lines | 12 |
| Colour | Black Monochrome Display |
| Screen | 3.7 inch 360x160 Graphical LCD |
| DSS Keys | Multiple Programmable DSS Keys |
| Phone Book | Yes |
| Call Log | Yes |
| Wideband Codec | G.722,Opus Yealink Optima HD Voice |
| PoE | Yes |
| WiFi | Wi-Fi via WF40 or WF50 |
| USB | 2 |
| Network | 10/100/1000 |
| Bluetooth | Bluetooth via BT40 BT41 or BT52 |
| Camera | - |
| Video Call | - |
| Video Codec | - |
| Conferencing | 5-way audio conferencing |
| DSS Expansion Module | 43 |
| Key Features | ||
|---|---|---|
| 3.7 inch 360x160 pixel graphical LCD with backlight | Dual USB ports | T4U Auto P template unified |
| T4U firmware unified | Up to 12 SIP accounts | PoE support |
| USB headset and EHS support | Wi-Fi via WF40 WF50 | Bluetooth via BT40 BT41 BT52 |
| Supports color screen expansion modules | Stand with 2 adjustable angles | Wall mountable |
| Handset with hall switch | ||
| Audio Features | ||
| HD voice HD handset HD speaker | Hearing aid compatible HAC handset | Acoustic Shield |
| Smart Noise Filtering | Wideband codec AMR-WB optional G.722 | Narrowband codec AMR-NB optional PCMU G.711u00b5 PCMA G.711A G.723.1 G.729 G.729A G.729B G.729AB G.726 iLBC |
| DTMF In-band Out-of-band RFC 2833 and SIP INFO | Full-duplex hands-free speakerphone with AEC | VAD CNG AEC PLC AJB AGC |
| Phone Features | ||
| 12 VoIP accounts | One-touch speed dial redial | Call forward call waiting call transfer call hold |
| Call return group listening | Emergency call | Mute DND |
| Auto answer | Hotline | 5-way conference call |
| Direct IP call without SIP proxy | Ring tone selection import delete | Set date time manually or automatically |
| Dial Plan XML Browser Action URL URI | RTCP-XR RFC3611 VQ-RTCPXR RFC6035 | Dual USB ports 2.0 compliant |
| Bluetooth headset through BT40 BT41 BT52 | Support Yealink Bluetooth headset BH71 BH71 Workstation BH71 Workstation Pro BH72 BH76 UH38 through BT52 | DECT wireless headset Yealink WH62 Portable WH63 Portable |
| Contact synchronization through BT40 BT41 BT52 | Simultaneous connection of one headset and one mobile phone through BT40 BT41 BT52 | Wi-Fi through WF40 WF50 |
| USB call recording through USB flash drive | USB headset | Expansion Module EXP43 |
| Wireless Headset Adapter EHS40 | USB Bluetooth connectivity to Yealink CP900 CP700 speakerphone wireless headset UH38 USB connectivity to Yealink wired headset UH34 UH36 UH37 | Basic functions Answer end call mute |
| Enhanced function audio optimization redial call hold volume synchronization multiple calls control | Enhanced DSS key | |
| Directory | ||
|---|---|---|
| Local phonebook up to 1000 entries | Blocklist | XML LDAP remote phonebook |
| Smart dialing | Phonebook search import export | Call history dialed received missed forwarded |
| IP-PBX Features | ||
| Busy Lamp Field BLF Bridged Line Appearance BLA | Anonymous call anonymous call rejection | Hot-desking voice mail |
| Flexible seating Executive and Assistant | Call park call pickup | Centralized call recording call recording |
| Visual voice mail | ||
| Display and Indicator | ||
| 3.7 inch 360x160 pixel graphical LCD with backlight | LED for call and message waiting indication | Dual color red or green illuminated LEDs for line status information |
| Intuitive user interface with icons and soft keys | Multilingual user interface | Caller ID with name and number |
| Power saving | ||
| Feature keys | ||
| 8 line keys with LED | 8 line keys can be programmed up to 21 paperless DSS keys 3-page view | 5 feature keys message headset mute redial hands-free speakerphone |
| 4 context-sensitive soft keys | 6 navigation keys | 2 volume control keys |
| Illuminated mute key | Illuminated headset key | Illuminated hands-free speakerphone key |
| Interface | ||
| Dual-port Gigabit Ethernet | Power over Ethernet IEEE 802.3af Class 2 | 2 x USB port 2.0 compliant |
| 1 x RJ9 4P4C handset port | 1 x RJ9 4P4C headset port | |
| Other Physical Features |
| Color Classic Grey | Stand with 2 adjustable angles | Wall mountable |
| External Yealink AC adapter optional AC 100-240 V input and DC 5 V 1.2 A output | USB output current 5 V 500 mA | Power consumption PSU 0.9-2.2 W |
| Power consumption PoE 1.5-3.2 W | Dimension W D H T 224.9 u00d7 206.2 u00d7 174.9 u00d7 52 mm | Operating humidity 5% to 90% noncondensing |
| Operating temperature -10 to +45u00b0C +14 to 113u00b0F | Storage temperature -30 to +70u00b0C -22 to +158u00b0F | |
| Management | ||
|---|---|---|
| Configuration browser phone auto-provision | Auto provision via FTP TFTP HTTP HTTPS for mass deploy | Auto-provision with PnP |
| Broadsoft device management | Zero-sp-touch TR-069 | Phone lock for personal privacy protection |
| Reset to factory reboot | Package tracing export system log | |
| Network and Security | ||
| SIP v1 RFC2543 v2 RFC3261 | Call server redundancy supported | NAT traversal STUN mode |
| Proxy mode and peer-to-peer SIP link mode | IP assignment static DHCP | HTTP HTTPS web server |
| Time and date synchronization using SNTP | UDP TCP DNS-SRV RFC 3263 | QoS 802.1p Q tagging VLAN Layer 3 ToS DSCP |
| SRTP for voice | Transport Layer Security TLS 1.3 | HTTPS certificate manager |
| AES encryption for configuration file AES256 | Digest authentication MD5 SHA1 SHA224 SHA256 SHA384 SHA512 | OpenVPN IEEE802.1X L2TP VPN |
| IPv6 | LLDP CDP DHCP VLAN | ICE |
| WPA2 WPA3 | Secure boot | GARP Generic Attribute Registration Protocol |
| Package Features | ||
| Package content Yealink SIP-T43U IP phone | Handset with handset cord | Ethernet Cable 2m CAT5E UTP Cable |
| Stand | Quick Start Guide | Power Adapter Optional |
| Wall Mount Bracket Optional | Qty CTN 5 PCS | N.W CTN 6.0 kg |
| G.W CTN 6.6 kg | Giftbox size 246 u00d7 223 u00d7 120 mm | Carton Meas 627 u00d7 256 u00d7 235 mm |