Description
Feature Description
Product Name Yealink SIP-T43U IP Phone
Type IP Phone
Display 4.3″ Color LCD Display (480 x 272 pixels) with backlight
Audio Codec Support G.711, G.722, G.723.1, G.726, G.729, iLBC, Opus, AMR-NB, AMR-WB
Ethernet Ports 2 x Gigabit Ethernet ports (1 x LAN, 1 x PC)
PoE (Power over Ethernet) Yes, Power over Ethernet (IEEE 802.3af) support
Connectivity SIP Protocol, Ethernet
Voice Features 12 SIP accounts, HD Voice, Full-duplex speakerphone, Echo cancellation, Noise suppression, DND (Do Not Disturb), Call waiting, Call forwarding, Call hold, Redial, Mute, and Speed dial
Volume Control Adjustable ringer volume, handset volume, speakerphone volume, and ringtone tone
Audio Features Wideband audio for HD voice, hands-free calling, and headset support (via RJ9 port)
Call Handling Supports 12 SIP accounts, Call transfer, Call waiting, 3-way conference calling, Call parking
Display Features Call information display, Time and date display, Voicemail indicator, Call history (received, dialed, and missed calls)
Dialing Features Speed dial, Local directory, Call logs, Redial, One-touch dialing from the screen
Firmware Yealink’s own firmware (supports auto-provisioning, remote provisioning, and updates)
Compatibility Compatible with major SIP platforms like 3CX, Asterisk, BroadSoft, FreeSWITCH, and others
Power Supply Powered by PoE or optional 5V DC power adapter (sold separately)
Headset Support RJ9 headset support (via RJ9 port), supports Bluetooth and USB headsets (via optional adapter)
Dimensions 230mm x 200mm x 160mm (9.06″ x 7.87″ x 6.3″)
Weight Approximately 0.88 kg (1.94 lbs)
Color Black
Mounting Options Desktop or wall-mountable (wall mount bracket sold separately)
Environmental Requirements Operating Temperature: 0°C to 40°C (32°F to 104°F), Storage Temperature: -10°C to 50°C (14°F to 122°F), Humidity: 10% to 90% RH, non-condensing
Security Features HTTPS, SRTP, TLS, OpenVPN, AES, IEEE 802.1X, Digest Authentication, Configurable firewall for better security