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Product Description
Yealink T31G is an everyday VoIP with HD audio quality and PoE support. T31G features Smart Noise Filtering technology to greatly reduce background distractions — crystal clear communications. Designed with a familiar interface, T31G is simple to use — two line keys and a backlit display. The handset and full duplex speakerphone both support HD audio — and the phone supports a wired headset and EHS headsets.
T31G runs the open SIP protocol — interoperable with VoIP phone systems and services. It supports two SIP lines. The improved chip increases performance over the long haul. The Yealink T3 Series of IP Phones feature unified firmware across the series to simplify the deployment, maintenance and updating of the fleet. Power T31G using PoE.
Feature keys
- 2 line keys with LED
- 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone
- 5 navigation keys
- Volume control keys
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
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)
- HTTPS certificate manager
- AES encryption for configuration file
- Digest authentication
- OpenVPN, IEEE802.1X
- IPv6
- LLDP/CDP/DHCP VLAN
- ICE