- VoIP phone
- SIP v2
The T42S is a feature-rich business tool for superior communications and extended functionality, which is ideal for common area use and for staff in the call center. It offers a faster, more-responsive interface and several performance-enhancing functions. The T42S with Yealink Optima HD Voice technology and SILK codec delivers superb audio quality and crystal clear voice communications. Meanwhile, it supports conferencing, boss/admin, common area phone, calendar, hot-desking and other productivity-enhancing functions. Its Class 2 PoE (Power over Ethernet) helps to reduce its carbon footprint and its Gigabit Ethernet technology is built for rapid call handling.