Ahead of its 3G services launch, state-run BSNL is getting ready to offer international

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roaming facility to its subscribers for prepaid, GPRS and 3G services.

Presently, international roaming facility for BSNL subscribers consists of having a triple solution in SIM Cards for postpaid users.

One solution is for the home network, other for international roaming through 'Direct International Roaming Agreements' with foreign operators and the third by piggy- backing on an existing international roaming service provider hub.

A senior BSNL official said, as of now BSNL has signed GSM international roaming agreements for 339 networks in 170 countries, out of which 164 networks in 94 countries have been commercially launched for postpaid customers only.

Connectivity has been established with a leading global GRX service provider for GPRS international roaming services. Testing with each of the operators is required for launching the GPRS international roaming services.

Prepaid and 3G international roaming services are in the process of being launched in the BSNL network and accordingly the testing and launching of these services would also be involved, he said.

The direct agreements of BSNL involves only one set of testing for whole of BSNL with the foreign operators for postpaid services. For GPRS, Prepaid and 3G services testing would involve the four

zones of BSNL. All the testing would be carried out from BSNL's Kolkata office.

BSNL has invited proposals from companies for carrying out testing in regard to international roaming service with the foreign GSM mobile operators and subsequent commercial launch of the service.