The Yealink T41S SIP phone features Optima HD Voice technology, with wideband audio for lifelike conversations. Echo cancellation, adaptive jitter buffer and full duplex provide crystal-clear sound. This phone also features three line appearances and a dual switch port, and SIP interoperability for open-source phone systems like 3CX and Asterisk.
A revolutionary design makes the Yealink SIP-T41S into an attractive and easy to use phone. Four context-sensitive keys operate with the display, while six more line keys can be programmed with up to 15 features. Five feature keys include message, headset, mute, redial and speakerphone