If you are on the Core plan your 100 minutes are inclusive of calls to all major UK & US landline and mobile phone providers. 

If you are on the Standard plan your 750 minutes are inclusive of calls to all major UK & US landline and mobile phone providers too. 

If you are on the Premium plan, your unlimited minutes (subject to fair use) are inclusive of calls to major landline and mobile phone providers of the following countries- 

Australia

Austria

Belgium

Canada

China

Denmark

Finland

France

Germany

Guam

Hong Kong

India

Ireland

Israel

Italy

Luxembourg

Malaysia

Malta

Mexico

Mongolia

Netherlands

Norway

Peru

Poland

Portugal

Puerto Rico

Romania

Singapore

South Korea

Spain

Sweden

Thailand

United Kingdom

& United States.

We also cover calls to major landlines in the following countries for our Enterprise plan- 

Andorra

Brazil

Bulgaria

Cyprus

Czech Republic

Estonia

Gibraltar

Greece

Guadeloupe

Hungary

Iceland

Japan

Latvia

Martinique

Morocco

New Zealand

Russian Federation

Slovakia

Switzerland

Taiwan

& Venezuela