For any customer in blocked countries , please do these steps before opening the GULFSIP application
Open App store
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Now, you can open the GULFSIP application and enjoy free calls with high voice quality.
For more explanation , please watch the following video about how to set up VPN on iPhone :
To Contact us : send email to firstname.lastname@example.org ,
or call our call center on 888 from any GULFSIP no.