MTNL launches 3G mobile services in Mumbai on August 10, 2009. The service allows customers to make video calls and access the internet at high speeds. MTNL offers 3G services on both prepaid and postpaid plans. For postpaid customers, 3G is offered as an add-on to existing plans starting at Rs. 99 per month for 50MB of data. Prepaid customers can activate 3G by sending an SMS and are charged Rs. 300 initially, then can purchase data packs from Rs. 99 for 50MB. Roaming data is charged at Rs. 10/MB both on 2G and 3G networks.