Steps: 1. Run the Setup File Phone.exe, follow the screen prompt and install. 2. After installation it will ask you to Licence Key, copy below key and paste it key. FFM9NEQKSFUGX33B2TH4CZB9HP8H9HX9X6L7FGGT-9W8FERENUK9P6HHBJQB9MQSH 3. Submit the key. After successful installation follow below steps to configure SIP account. 1. Right click on the display area and click on settings 2. Click on Add New Sip Accounts and enter below infromation: Display Name: Your Name or User Name (Doesn't Matter) User Name: Given by SIP Provider Password: Given by SIP Provider Auth User Name: Same as User Name Domain: SIP Proxy or Domain "sip.apnatelelink.in" or "70.38.37.14" Checked on Register with Domain & Use As Outbound Proxy 3. Apply and click on OK. You will get msg on scrren Logged in - Enter phone number or Your Number is: 123456 Will reday to make outgoing call.