The Yealink SIP T42S is a feature-rich IP phone for business. The 12-line phone has been designed by pursuing ease of use in even the tiniest details, delivering a superb sound quality as well as rich visual experience. Supports seamless migration to GigE-based network infrastructure. With programmable Keys, the IP Phone supports vast productivity-enhancing features and uses standard encryption protocols to perform highly secure remote provisioning and software upgrades.
G.711(A/μ), G.723, G.729AB, G.726, GSM, Opus
HTTP, HTTPS, FTP, TFTP, WEB GUI
Opus Codec Support
Hearing Aid Compatible (HAC) Handset
RJ9 Headset Interface
Gb Ethernet Support
USB 2.0 Support