Articles in this category Where can I find the softphone downloads? For Callicity®/ConnectUC, the download page is here, or you can use the individual links below: iOS How to Enable Wi-Fi on Yealink Phones The Yealink SIP-T53W and the SIP-T54W come with built-in Wi-Fi capability. This article will walk through the steps to enable the capability on any Wi-Fi connected Yealink device. How do you reset a Yealink IP Phone to factory default settings? Method 1: Via web interface. Yealink Manual Provisioning This article includes the steps needed to manually enter the address of the Callicity® Provisioning Server for Yealink SIP devices.