How to use it

  • Activate Roaming Before You Leave: Ensure your roaming service is activated by calling our Customer Service Centre at the toll-free number 1503.
  • Connecting to a Network Abroad:
    Upon arrival in a foreign country, if the network doesn’t connect automatically, go to the Menu on your phone. Select CellOne or BSNL Mobile and choose Network. Under Network, you’ll see options for National and International. Select International. Choose CellOne, and you’ll receive a message: “CellOne International Selected.” Wait a few minutes for the network to connect automatically.

If the network doesn’t connect, select it manually by navigating to Settings > Network on your phone. After landing into foreign country, if network is not coming automatically then go to Menu. Click on Cellone or BSNL Mobile and select Network. In the network you will get option of National and International. Select International, you will get CellOne and Partner Network. Select the option Cellone, you will get a message - "CellOne International Selected". Wait for a minutes you will get the Network automatically. If it fails, please select the network manually.(By selecting Setting and then Network in your phone).

Basic checks - Before you go

  • Confirm your roaming function is activated by contacting our 24/7 customer service helpline at 1503. Ensure your handset is compatible with the network in the country you’re visiting. To call back home, dial the number with the prefix +91. Make an informed decision about keeping data-based applications active while traveling abroad, as this could lead to higher data roaming charges.

Billings and Payments

While roaming internationally, BSNL, as a service gesture, generally does not restrict your usage based on your credit limit. This policy ensures uninterrupted access, even with significantly higher international roaming charges.