As a very fashionable and friendly entry-level Gigabit IP phone, Yealink SIP-T31G has an extra-large 132x64-pixel graphical LCD with backlight that brings clear visual experience for users. The T31G offers support for two VoIP accounts and includes local 5-way conferencing to maximize productivity. Working with the adjustable multi-angle stand, the T31G IP phone ensures you to work in different situation. Meanwhile, the T31G features built-in Power over Ethernet (PoE) and superb high definition (HD) sound quality. Easy-to-use and powerful features together with reasonable price deliver excellent voice communications solution.
Conference Call Capability: 5-way
Speakerphone: Yes
Call Services:Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability, Voice Mail
Volume Control:Yes
Indicators:Voice message waiting indicator
Additional Functions:Call recording, Intercom
IP Telephony
Main Features: Integrated Ethernet switch, Multiple VoIP protocol support
VoIP: Yes
VoIP Protocols: SIP, SIP v2, SRTP
Voice Codecs: G.711A/µ, G.722, G.723.1, G.726, G.729ab, iLBC
Lines Supported: 2 lines
Quality of Service: IEEE 802.1p, IEEE 802.1Q (VLAN)
IP Address Assignment: DHCP, PPPoE, Static
Security: TLS
Network Protocols: DNS, HTTP, HTTPS, IP, Link Layer Discovery Protocol (LLDP), SNMP, SRTP, STUN, TFTP
Network Ports Qty: 2 x Ethernet 10Base-T/100Base-TX
Power Over Ethernet (PoE) Support: Yes
Voice Features: Acoustic echo cancellation (AEC), Adaptive jitter buffer (AJB), Automatic gain control (AGC), Comfort noise generation (CNG), HD Voice, Packet loss concealment (PLC), Voice activity detection (VAD)
Network Features: Lightweight Directory Access Protocol (LDAP), Network Address Translation (NAT)
Capacity
Phone Directory Capacity: 1000
Connections
Handset jack / RJ-9, Headset jack / RJ-9
Environmental Parameters
Operating humidity: 10~95%
Operating temperature: -10~50°C (+14~122°F)
1-year limited warranty