| Model |
Yealink SIP-T33G |
| Display |
2.7-inch (240×320) color LCD screen |
| Audio |
HD Voice, full-duplex speakerphone |
| Codecs |
G.711(A/U), G.722, G.729, iLBC |
| Networking |
2 x 10/100/1000 Ethernet ports (RJ45) |
| Power |
PoE (Power over Ethernet) or DC 5V/1A |
| Connectivity |
1 x RJ9 (Headset), 1 x USB 2.0 |
| Programmable Keys |
5 x programmable keys |
| Line Keys |
3 x line keys (fixed) |
| Feature Keys |
Mute, Headset, Redial, Message, Volume Up/Down, Directory |
| Support for Protocols |
SIP (Session Initiation Protocol) |
| Dimensions |
221mm x 190mm x 50mm (8.7 x 7.5 x 2 in) |
| Weight |
0.9 kg (1.98 lbs) |
| Wall Mountable |
Yes, with optional mount kit |
| Additional Features |
Support for IPv4/IPv6, VLAN, QoS, SRTP, TLS, and HTTPS; 3-way conferencing |
