If you can’t hear the other side or if the call is disconnected, please follow these steps and please note that your problem might be solved at any step,
1. Check your internet speed and make sure that your internet is working well and stable.
You can download “Speed test” application from the App store. After completing the test your internet speed will be shown .
2. Change your internet connection; try both 4G and WIFI.
3. Try using our VPN connection; you can set up VPN on Android from here Set up VPN on Android
4. Uninstall the application and download it again to make sure you have the latest version.
For more explanation , please watch the following video
To Contact us : send email to cs@gulfsip.com ,
or call our call center on 888 from any GULFSIP no.