The Yealink T4 series is intended for discerning users with very high expectations of IP phones. It has been designed specifically for people who take great satisfaction in experiencing excellence actually being delivered. Revolutionary in appearance and advanced technical design, the T4 series is not only pleasurable and practical to use but also offers up to 4.3 inch 480 x 272 pixels extra-large display screens that make pen and paper redundant in the busy office environment. In fact, the T4 series represents the cutting-edge of contemporary VoIP technology in action. Advanced features include support for gigabit networks, plus USB Bluetooth support for easy Bluetooth earphone use. Enhanced sound quality is delivered by the Optima HD Voice system which meets TIA 920 certification standards. In the T4 series, Yealink has set out to achieve the ideal marriage of perfection with performance.The SIP-T3 Series IP Phone is one of Yealink’s most recent innovations for managers with demanding integrated communication needs. It has been designed as a future-proofed infrastructure investment that provides a seamless migration to modern GigE-based networks. Dual-port Gigabit Ethernet connections ensure flexible installation options and lower cabling costs. With its large, high-resolution TFT color display, the T38G IP Phone offers a brilliant presentation of caller information, with a user interface designed for clarity and intuitive operation. Equipped with the TI Aries chipset, HD handset, HD speaker and HD codec (G.722), it gives an unrivalled, lifelike audio experience, plus a host of telephony features to increase efficiency.
The Yealink IP Phone T2 and T1 series represent the next generation of VoIP phones specifically designed for business users who need rich telephony features, a friendly user-interface and superb voice quality. Both are equipped with the TI TITAN chipset which offers high-definition voice quality through a TI voice engine, HD handset, HD speaker and HD codec (G.722). The large, high-resolution graphical display, combined with up to 48 keys, guarantees an excellent user experience in terms of configuration options, making calls and access to the express XML browse. In addition, to ensure that your audio data remains confidential, the Yealink SIP-T28P supports security standards TLS, SRTP, HTTPS, 802.1x, Open VPN and AES encryption. These protect against electronic eavesdropping and data theft.