Whenever you are having any trouble with voice quality of your GULFSIP, you can 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 Play 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
For more explanation , please watch the following video
To Contact us : send email to firstname.lastname@example.org ,
or call our call center on 888 from any GULFSIP no.