1. In the App Store, search for and install the PortSIP application.
2. Enter the application, give it all the necessary permissions. Enter the data that you can find in your UniTalk personal account, in the “Users” tab. In the “SIP login” field, insert your line number, then the password (to see the password, click the bottom “Settings” button next to your user in your personal account) and the SIP server – cstat.nextel.com.ua or sip.nextel.cloud (as specified in the SIP line settings on the Users tab)
3. Then click “Login”. If everything is entered correctly, then in the “Settings” menu you will see the status “Online”.