Countries blocking VoIP

Country

Restriction

Belize

Only offers government owned VoIP service

Brazil

Only allows VoIP calling through government owned services.
Brazil Telecom blocks Skype but allows VoIP calling through their own services.

Caribbean Region

Blocks VoIP and Skype.
Countries that use Cable & Wireless (the largest telecommunications provider) are blocked from using Skype

China

Blocks all VoIP services except those done through China Unicom and China Telecom.

Cuba

Citizens have little to no access to computers, mobiles are very expensive and the internet connection expensive is too slow.

Egypt

The National Telecommunications Regulatory Authority in Egypt denied blocking any VoIP applications, but users are facing difficulties to make calls through them without VPN.

Jordan

Blocks Skype and VoIP.

Mexico

Some ISPs block VoIP services (as they offer their own VoIP service).

Pakistan

Blocks VoIP
Companies and freelancers with at least one static IP and a verification letter from their business, can submit their their application to have their IP whitelisted: https://www.pta.gov.pk/category/1-where-application-for-ip-whitelisting-and-vpn-registration-can-be-registered-698797135-2023-05-30 

South Korea

Connections with VoIP apps are unpredictable at best.

North Korea

Blocks VoIP

Kuwait

Blocks VoIP and Skype

UAE

Blocks VoIP and Skype

Oman

Blocks VoIP and Skype

Morocco

Blocks VoIP

Paraguay

Blocks VoIP and Skype

Jordan

Blocks VoIP and Skype

Israel

Blocks VoIP

Qatar

Blocks VoIP and Skype