| HD voice |
HD handset, HD speaker |
| Smart Noise Filtering |
|
| Narrowband codec |
PCMU (G.711A), PCMA (G.711μ), 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 |
|
| 2 VoIP accounts |
|
| Call hold, mute, DND |
|
| One-touch speed dial, hotline |
|
| Call forward, call waiting, call transfer |
|
| Group listening, SMS, emergency call |
|
| Redial, call return, auto answer |
|
| Local 5-way conferencing |
|
| Direct IP call without SIP proxy |
|
| Ring tone selection/import/delete |
|
| Set date time manually or automatically |
|
| Dial plan |
|
| XML Browser, action URL/URI |
|
| Integrated screenshots |
|
| RTCP-XR, VQ-RTCPXR |
|
| Enhanced DSS Key |
|
| Directory |
|
| Loal phonebook up to 1000 entries |
|
| Black list |
|
| 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 Apperance (BLA) |
|
| Anonymous call, anonymous call rejection |
|
| Hot-desking, voice mail |
|
| Flexible seating |
|
| Call park, call pickup |
|
| Executive and Assistant |
|
| Centralized call recording |
|
| Visual voice mail |
|
| Call recording |
|
| Display and Indicator |
|
| 2.3” 132x64-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 |
|
| 2 line keys with LED |
|
| 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone |
|
| 5 navigation keys |
|
| Volume control keys |
|
| Interface |
|
| Dual-port Gigabit Ethernet |
|
| Power over Ethernet (IEEE 802.3af), class 1* |
|
| 1 x RJ9 (4P4C) handset port |
|
| 1 x RJ9 (4P4C) headset port |
|
| Other Physical Features |
|
| Color: Classic Grey |
|
| Wall mountable |
|
| External Yealink AC adapter |
|
| AC 100-240 V input and DC 5 V/0.6 A output |
|
| Power consumption (PSU): 2-3 W |
|
| Power consumption (PoE): 3-4 W |
|
| Dimension (W x D x H x T): |
|
| 188 x 189 x 162 x 50 mm |
|
| Operating humidity: 10-95% |
|
| Operating temperature: -10 to +45°C |
|
| Storage temperature: -30 to +70°C |
|
| Management |
|
| Configuration: browser/phone/auto-provision |
|
| Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy |
|
| Auto-provision with PnP |
|
| 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 |
|
| 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-T31G IP phone |
|
| - Handset with handset cord |
|
| - Ethernet Cable (1.5m CAT5E UTP Cable) |
|
| - Stand (not applicable to US wall plate Standard) |
|
| - Quick Start Guide |
|
| - Power Adapter (Optional) |
|
| Qty/CTN: 10 PCS |
|
| N.W/CTN: 9.98 kg |
|
| G.W/CTN: 10.836 kg |
|
| Giftbox size: 213 × 210 × 103 mm |
|
| Carton Meas: 535 × 443 × 227 mm |
