Country Operator Additional  Units per minute
Bangladesh Grameen Phone Ltd 12
Belarus Mobile Digital Communications 12
Bolivia Nueva Tel 12
Brunei DST Communications Br. 6
Cambodia Casacom 24
Canada Microcell 18
China China Telecom 12
Unicom 12
Hong Kong Hong Kong CSL Ltd. 12
Hutchinson 12
New World PCS 12
Peoples Phone 6
Smartone 12
Sunday 6
India

 
Bharti Cellular 12
Bharti Mobile 12
Birla AT&T Communications 6
BPL Cellular 12
BPL Mobile Communications 12
Escotel Haryana 12
Fascel 12
Hexacom India Ltd. 12
Hutchinson Max Telecom 12
RPG Cellular Services 12
Skycell Communications 12
Spice Cell 12
Spice Communications 12
Sterling Cellular 12
Tata Communications 12
Usha Martin 12
Indonesia Excelcomindo 12
Satelindo 12
Telkomsel 12
Kuwait MTC 6
Wataniya Telecom 6
Kyrgyzstan Bitel 12
Macau CTM 12
Maldives Dhiraagu 12
Mauritius Cellplus 6
Pakistan Pakistan Mobile Com. 12
Philippines Globe Telecom 6
Russia Ermak 12
Extel 12
KB Impuls 12
NTC 12
MTS Moscow 6
North West 12
StavTeleSot 12
Uraltel 12
Singapore MobileOne 6
SingTel Mobile 6
StarHub 6
Sri Lanka

 
Celltel Infinite 12
MTN Networks 12
Thailand AIS 12
Turkmenistan BCTI 12
Ukraine Golden Telecom 12
Kyivstar 12
UMC 24
Ukranian Radio Systems 12
USA Cingular Wireless 18
Powertel 18
Voicestream East Coast 18
Voicestream Midwest 18
Voicestream West Coast 18
Uzbekistan Coscom 12