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INTERNATIONAL
TECHNICAL ASSISTANCE
CENTER (TAC)
Argentina Telecom Argentina 00 800.544.466.0.0
Telefonica de Argentina 00 800.544.466.0.0
Australia Telstra 0011 800.544.466.0.0
Optus 0011 800.544.466.0.0
Brazil AT&T 0008010 800.544.466.0
Canada 1 800.544.4660
China China Telecom 00 800.544.466.0.0
Costa Rica ICE 00 800.544.466.0.0
Hong Kong HKTI 001 800.544.466.0.0
Japan IDC 0061 800.544.466.0.0
KDD 001 800.544.466.0.0
Japan Telecom 0041 800.544.466.0.0
Korea DACOM 002 800.544.466.0.0
KTA 001 800.544.466.0.0
ONSE 008 800.544.466.0.0
Malaysia TeleKom Malaysia 00 800.544.466.0.0
New Zealand TNZI 00 800.544.466.0.0
Singapore Singapore Telecom 001 800.544.466.0.0
Taiwan CHT-1 00 800.544.466.0.0
Thailand CAT 001 800.544.466.0.0
USA 1 800.544.4660
International Technical Assistance Center (TAC)