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What it is
The Yealink SIP-T31W is a Wi-Fi-enabled IP phone offering clear HD voice capabilities, a 2.3-inch display with 132 x 64 pixel resolution, and support for two VoIP accounts. It features dual RJ45 ports and supports 802.11a/b/g/n/ac wireless standards.
Who it's for
This phone suits small offices or home workers who need a reliable IP handset without wired network constraints. It's practical for setups needing two VoIP lines and decent voice quality without advanced features.
Why it's good
Its integrated voicemail and answering machine add convenience, and the wired handset supports wall mounting. The grey finish is unobtrusive in most environments, and the wireless connectivity provides flexible placement options.
When to choose it
Opt for this if you require a compact IP phone with Wi-Fi support and basic telephony features. Avoid it if you need larger displays, touchscreen controls, or more advanced call management.
Specifications
| Features | |
|---|---|
| Integrated voicemail | Yes |
| Handset type | Wired handset |
| Wall mountable | Yes |
| Keypad number of keys | 11 |
| Product colour | Grey |
| Technical details | |
| Integrated voicemail | Yes |
| Answering machine | Yes |
| Handset type | Wired handset |
| Speakerphone | Yes |
| Keypad number of keys | 11 |
| Security | |
| Security algorithms | AES, WPA2, WPA3 |
| Design | |
| Product type | IP Phone |
| Handset type | Wired handset |
| Wall mountable | Yes |
| Product colour | Grey |
| Phone features | |
| Call transfer | Yes |
| Call return | Yes |
| Number of VoIP accounts | 2 |
| Answering machine | Yes |
| Short Message Service (SMS) | Yes |
| Lines quantity | 2 lines |
| Speed dialling | Yes |
| Redialing | Yes |
| Phonebook capacity | 1000 entries |
| Full duplex | Yes |
| Do not disturb function | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call pick up | Yes |
| Call park | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Anonymous call rejection | Yes |
| Anonymous call | Yes |
| Emergency call | Yes |
| Management features | |
| Integrated voicemail | Yes |
| Keypad number of keys | 11 |
| Voicemail indication | Yes |
| Display | |
| Display number of lines | 2 lines |
| Display resolution | 132 x 64 pixels |
| Display diagonal | 5.84 cm (2.3") |
| Display | LCD |
| Backlight display | Yes |
| Audio | |
| Comfort noise generation (CNG) | Yes |
| Voice codecs | AEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC |
| Speakerphone | Yes |
| Microphone mute | Yes |
| Packet loss concealment (PLC) | Yes |
| Network | |
| Ethernet LAN interface type | Fast Ethernet |
| Ethernet LAN data rates | 10,100 Mbit/s |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes |
| Security algorithms | AES, WPA2, WPA3 |
| Ethernet LAN | Yes |
| Bluetooth | No |
| Colour | |
| Product colour | Grey |
| Microphone | |
| Microphone mute | Yes |
| Ergonomics | |
| Wall mountable | Yes |
| Ports & interfaces | |
| RJ-9 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| Power | |
| Power over Ethernet (PoE) | Yes |
| Power consumption (typical) | 1.7 W |
| AC adapter input voltage | 100 - 240 V |
| Power consumption (Power over Ethernet (PoE)) | 2.6 W |
| Operational conditions | |
| Storage temperature (T-T) | -30 - 70 °C |
| Operating temperature (T-T) | -10 - 45 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Weight & dimensions | |
| Width | 188 mm |
| Depth | 189 mm |
| Height | 162 mm |
| Packaging content | |
| Number of handles included | 1 pc(s) |
Feel free to ask Creative Systems to confirm suitability and check stock before you order.
