Navigate to Connectivity > SIP Trunks . Insert credentials from your VoIP provider (e.g., Flowroute, Twilio, local Telco).
Once your is complete, follow this process: Ozeki Phone System Xe V5.4.4 Download
: Always verify system requirements and check the official Ozeki website for the latest version before downloading. v5.4.4 may be superseded by newer releases. Navigate to Connectivity > SIP Trunks