Danh mục

Model	SIP-T31W
Audio Features	• HD voice: HD handset, HD speaker • Smart Noise Filtering • Wideband codec: G.722 • Narrowband codec: PCMU (G.711μ), PCMA (G.711A), 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 • Built-in dual band Wi-Fi: - Network standard: IEEE802.11a/b/g/n/ac - Transmission rate: Up to 433Mbps (dynamic) - Frequency range: 2.4GHz/5.0GHz • Enhanced DSS Key
Directory	• Local phonebook up to 1000 entries • Blocklist • 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 Appearance (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	• 2 x RJ45 10/100M Ethernet ports • Power over Ethernet (IEEE 802.3af), class 2 • 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): 1.3-1.7 W • Power consumption (PoE): 2-2.6 W • Dimension (W × D × H × T): 188 × 189 × 162 × 50 mm • Operating humidity: 10-95% • Operating temperature: -10 to +45°C (+14 to 113°F) • Storage temperature: -30 to +70°C (-22 to +158°F)
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-T31W IP phone - Handset with handset cord - Ethernet Cable (optional) - Stand (not applicable to US wall plate Standard) - Quick Start Guide - Power Adapter