Calling with the Caller feature is disabled in certain countries due to a high probability of fraud. These limitations are set by Twilio, our partner who powers the Caller feature. 

Here are the countries with these limitations:

• Algeria
• Angola
• Benin
• Botswana
• Burkina Faso
• Burundi
• Cameroon
• Cape Verde
• Central African Republic
• Chad
• Comoros
• Congo
• Congo, Dem Rep
• Djibouti
• Egypt
• Equatorial Guinea
• Eritrea
• Ethiopia
• Gabon
• The Gambia
• Ghana
• Guinea
• Guinea-Bissau
• Ivory Coast
• Kenya
• Lesotho
• Liberia
• Libya
• Madagascar
• Malawi
• Mali
• Mauritania
• Mauritius
• Morocco/Western Sahara
• Mozambique
• Namibia
• Niger
• Nigeria
• Reunion/Mayotte
• Rwanda
• Saudi Arabia 
• Senegal
• Seychelles
• Sierra Leone
• Somalia
• South Africa
• South Sudan
• Sudan
• Swaziland
• Tanzania
• Togo
• Tunisia
• Uganda
• Zambia
• Zimbabwe

For more information on calling limitations, visit Twilio's calling regulations guideline.