Yealink SIP-T4X Administration Manual page 144

When receiving a message or recording a call, the IP phone will play a warning tone.
You can customize tones or select specialized tone sets (vary from country to country) to
indicate different conditions of the IP phone. The default tones used on IP phones are
the US tone sets. Available tone sets for IP phones:
Australia

Austria

Brazil

Belgium

China

Czech

Denmark

Finland

France

Germany

Great Britain

Greece

Hungary

Lithuania

India

Italy

Japan

Mexico

New Zealand

Netherlands

Norway

Portugal

Spain

Switzerland

Sweden

Russia

United States

Chile

Czech ETSI

Configuring Advanced Features
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