Yealink’s new SIP-T33G takes entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 320x240-pixel graphical LCD with backlight showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics. Meanwhile, the dual 10/100 Mbps network ports with integrated PoE makes SIP-T33G an ideal choice for extended network use. The SIP-T33G supports two VoIP accounts, simple, flexible and secure installation options, plus support for IPv6, Open VPN and a redundancy server. It also operates with SRTP/ HTTPS/ TLS, 802.1x. As a very cost-effective and powerful IP solution, the SIP-T33G maximizes productivity in both small and large office environments.
HD Audio
Yealink HD voice refers to the combination of software and hardware design as well as the implementation of wideband technology to maximize the acoustic performance. Coupled with advanced acoustic clarity technology such as full duplex, echo cancellation, adaptive jitter buffer, etc, the SIP-T33G provides clearer, more lifelike voice communications.
LCD | 2.3 | 2.3 | 2.4 | 3.66 | 3.7 | 4.3 colored | 7 colored |
Resolution | 132 x 64 | 132 x 64 | 132 x 64 | 240 x 120 | 360 x 160 | 480 x 272 | 800 x 480 |
LCD Backlight | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
VoIP account | 2 | 2 | 4 | 6 | 12 | 16 | 16 |
PoE | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Ethernet Port | 2 x RJ45 10/100M | 2 x RJ45 10/100M | 2 x RJ45 10/100M | 2 x RJ45 10/100/1000M | 2 x RJ45 10/100/1000M | 2 x RJ45 10/100/1000M | 2 x RJ45 10/100/1000M |
Line Key | 2 | 2 | 2 | 8 | 8 | 10 | 0 |
Memory Key | 2 | 2 | 2 | 4 context-sensitive | 4 context-sensitive | 27 (9 pages 3 keys) | 29 touch keys |
Soft Key | 4 | 4 | 4 | 4 | 4 | 4 | 0 |
Expansion Module | X | X | X | ✓ (EXP20) | ✓ (EXP43) | ✓ (EXP40) | ✓ (EXP40) |
HD Voice | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Wide-band Codecs | G.722, Opus | G.722, Opus | G.722, Opus | G.722, Opus | G.722, Opus | G.722, Opus | G.722 |
Bluetooth Adapter | X | X | X | ✓ (BT40) | ✓ (BT40) | ✓ (BT40) | ✓ (BT40) |
Wi-Fi Adapter | X | X | X | ✓ (WF40) | ✓ (WF40) | ✓ (WF40) | ✓ (WF40) |
USB Recording | X | ✓ | X | ✓ | ✓ | ✓ | ✓ |