The SIP-T41S is a feature-rich business SIP phone that provides exceptional communication. The firmware for the T4S series has been updated, resulting in a faster, more responsive interface. A USB port that supports Bluetooth, Wi-Fi, and call recording dongles is one among the new features. The T4S series uses the most up-to-date TLS/SSL security and is simple to deploy in large numbers thanks to Zero Touch Provisioning.