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Audio Features |
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HD voice |
HD handset, HD speaker |
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Wideband codec |
Opus, G.722 |
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Narrowband codec |
G.711(A/), G.729AB, G.726 |
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DTMF |
In-band, Out-of-band (RFC 2833) and SIP INFO |
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Full-duplex hands-free speakerphone with AEC |
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VAD, CNG, AEC, PLC, AJB, AGC |
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Phone Features |
3 VoIP accounts |
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One-touch speed dial, redial |
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Call forward, call waiting |
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Call transfer, call hold |
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Call return, group listening, SMS |
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Mute, auto answer, DND |
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3-way conference call |
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Direct IP call without SIP proxy |
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Ring tone selection/import/delete |
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Hotline, emergency call |
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Set date & time manually or automatically |
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Dial Plan |
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XML Browser |
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Action URL/URI |
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RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) |
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Enhanced DSS Key |
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Directory |
Local phonebook up to 1000 entries |
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Black list |
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XML/LDAP remote phonebook |
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Smart dialing |
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Phonebook search/import/export |
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Call history: dialed/received/ missed/forwarded |
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IP-PBX Features |
Busy Lamp Field (BLF) |
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Bridged Line Appearance(BLA) |
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Anonymous call, anonymous call rejection |
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Hot-desking, voice mail |
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Message Waiting Indicator (MWI) |
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Call park, call pickup |
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Intercom, paging, music on hold |
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Call recording |
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Flexible seating |
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Executive and Assistant |
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Centralized call recording |
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Visual Voice Mail |
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Display and Indicator |
2.3 132x64-pixel graphical LCD with backlight |
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LED for call and message waiting indication |
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Dual-color (red or green) illuminated LEDs for line status
information |
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Intuitive user interface with icons and soft keys |
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Multilingual user interface |
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Caller ID with name and number |
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Power saving |
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Feature keys |
3 line keys with LED |
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5 features keys: message, headset, mute, redial, hands-free
speakerphone |
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4 context-sensitive soft keys |
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6 navigation keys |
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2 volume control keys |
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Mute key |
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Headset key |
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Hands-free speakerphone key |
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Interface |
Dual-port Gigabit Ethernet |
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2 x RJ45 10/100M Ethernet ports |
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1 x RJ9 (4P4C) handset port |
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1 x RJ9 (4P4C) headset port |
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1 x RJ12 (6P6C) EHS port |
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Power over Ethernet (IEEE 802.3af), Class 2 |
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|
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Other Physical Features |
|
|
Stand with 2 adjustable angles |
|
|
Wall mountable |
|
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External Yealink AC adapter (optional) |
AC 100~240V input and DC 5V/600mA output |
|
Power consumption (PSU) |
0.9-1.3W |
|
Power consumption (PoE) |
1.1-1.6W |
|
Dimension (W*D*H*T) |
212mm*189mm*175mm*54mm |
|
Operating humidity |
10~95% |
|
Operating temperature |
-10~50C (+14~122C) |
|
|
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Management |
Configuration: browser/phone/ auto-provision |
|
Auto provision via FTP/TFTP/HTTP/ HTTPS for mass
deploy |
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Auto-provision with PnP |
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BroadSoft device management |
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Zero-sp-touch TR-069 |
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Phone lock for personal privacy protection |
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Reset to factory, reboot |
|
Package tracing export, system log |
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Network and Security |
SIP v1 (RFC2543), v2 (RFC3261) |
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Call server redundancy supported |
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NAT traversal: STUN mode |
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Proxy mode and peer-to-peer SIP link mode |
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IP assignment: static/DHCP |
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HTTP/HTTPS web server |
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Time and date synchronization using SNTP |
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UDP/TCP/DNS-SRV(RFC 3263) |
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QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP |
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SRTP for voice |
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Transport Layer Security (TLS) |
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HTTPS certificate manager |
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AES encryption for configuration file |
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Digest authentication using MD5/MD5-sess |
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OpenVPN, IEEE802.1X |
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IPv6 |
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LLDP/CDP/DHCP VLAN |
|
ICE |
|
Package Features |
Package content: |
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- Yealink SIP-T40G IP phone |
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- Handset with handset cord |
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- Ethernet Cable |
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- Stand |
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- Quick Start Guide |
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- Power Adapter
(Optional) |
