| Product type | IP Phone |
| Product colour | Grey |
| Handset type | Wired handset |
| Wall mountable | Yes |
| Mounting | Desk/Wall |
| Dual-Tone Multi-Frequency (DTMF) modes | In-band, Out-of band, SIP info |
| Hearing aid compatibility | Yes |
| Lines quantity | 12 lines |
| Caller ID | Yes |
| Phonebook capacity | 1000 entries |
| Number of VoIP accounts | 12 |
| Answering machine | Yes |
| Call waiting | Yes |
| Speed dialling | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Conference call | Yes |
| Redialing | Yes |
| Anonymous call | Yes |
| Anonymous call rejection | Yes |
| Full duplex | Yes |
| Call return | Yes |
| Call transfer | Yes |
| Call history | Yes |
| SIP registrar server | Yes |
| Plug and Play | Yes |
| Touchscreen | No |
| Display | LCD |
| Display diagonal | 9.4 cm (3.7") |
| Display resolution | 360 x 160 pixels |
| Backlight display | Yes |
| Speakerphone | Yes |
| Microphone mute | Yes |
| Voice codecs | AGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC |
| Comfort noise generation (CNG) | Yes |
| Packet loss concealment (PLC) | Yes |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth version | 4.1 |
| Supported network protocols | FTP/TFTP/HTTP/HTTPS, IPv6, LLDP/CDP/DHCP VLAN |
| Quality of Service (QoS) support | Yes |
| DHCP client | Yes |
| Syslog | Yes |
| Networking standards | IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| Expansion module support | Yes |
| DC-in jack | Yes |
| Sustainability compliance | Yes |
| Sustainability certificates | REACH, RoHS |
| Power over Ethernet (PoE) | Yes |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output voltage | 5 V |
| AC adapter output current | 1.2 A |
| Power consumption (typical) | 2.2 W |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Width | 224.9 mm |
| Depth | 206.2 mm |
| Height | 174.9 mm |
| Package width | 246 mm |
| Package depth | 223 mm |
| Package height | 120 mm |
| Number of handles included | 1 pc(s) |
| Mounting kit | Yes |
| Ethernet cable | Yes |
| Handset | Yes |
| Quick start guide | Yes |
| Harmonized System (HS) code | 85171800 |
| Description |
| Yealink SIP-T43U. Product type: IP Phone, Product colour: Grey, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: In-band, Out-of band, SIP info. Lines quantity: 12 lines, Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 9.4 cm (3.7"), Display resolution: 360 x 160 pixels. Voice codecs: AGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC |
