Sistema Shyam TeleServices Limited (SSTL) has launched international roaming services for its prepaid subscribers, enabling them to roam across 433 GSM networks in 231 countries.
The company has also launched a dual mode SIM card which would work both on GSM handsets while abroad and on OMH CDMA handsets while in India.
MTS customers on international roaming would have access to GPRS services in 206 countries on 322 telecom networks. Additionally, MTS customers will be able to avail of HSDPA services in 114 countries on 145 roaming networks.
