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Product Information
The SIP Phone T73U is the next-gen desk phone with fashion-forward design, Crystal-clear audio, enhanced system security, smarter UX and a sustainable approach. The fashion-forward appearance, featuring slimmer body, color screen, touchable buttons, adapts to modern workspace and provides comfortable hand feel. Empowered by Smart Noise Filtering, optimized Acoustic Shield, and enhanced 3W speaker, it provides ultra clear HD audio. The industry-leading Linux 6.1 and TEE hardware encryption provides enhanced security mechanisms and stronger performance. Built with redesigned UI, it offers easier access to rich functions like Accessibility, Dark Theme and more flexible connectivity. The adoption of green packaging and Power-saving mode adheres to the sustainability goals.
| Design | |
| Product type | IP Phone |
| Handset type | Wired & Wireless handset |
| Product colour | Black |
| Backlight keypad | Yes |
| Mounting | Desk |
| Phone features | |
| Answering machine | Yes |
| Call waiting | Yes |
| Speed dialling | Yes |
| Intercom | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Conference call | Yes |
| Redialing | Yes |
| Caller ID | Yes |
| Phonebook capacity | 1000 entries |
| Phonebook sharing | Yes |
| Number of VoIP accounts | 12 |
| Call return | Yes |
| Message-waiting indicator (MWI) | Yes |
| Call history | Yes |
| Emergency call | Yes |
| Management features | |
| Management platform | Yealink Device Management Platform |
| Display | |
| Display | LCD |
| Display diagonal | 7.11 cm (2.8") |
| Display resolution | 320 x 240 pixels |
| Audio | |
| Speakerphone | Yes |
| Microphone mute | Yes |
| Voice codecs | G.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab |
| Network | |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Quality of Service (QoS) support | Yes |
| Security algorithms | WPA2, WPA3 |
| Syslog | Yes |
| Ports & interfaces | |
| Headset connectivity | RJ-9 |
| USB 2.0 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| DC-in jack | Yes |
| Power | |
| Power over Ethernet (PoE) | Yes |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output voltage | 5 V |
| AC adapter output current | 2 A |
| Operational conditions | |
| Operating temperature (T-T) | 10 - 45 øC |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -10 - 70 øC |
| Weight & dimensions | |
| Width | 209 mm |
| Depth | 167.5 mm |
| Height | 214.8 mm |
| Package width | 231 mm |
| Package depth | 237 mm |
| Package height | 102 mm |
| Packaging content | |
| Mounting kit | Yes |
| Ethernet cable | Yes |
| Handset | Yes |
| Quick start guide | Yes |
| Number of handles included | 1 pc(s) |
| Warranty | |
| Base Warranty | Non Non |