Research in Motion, maker of Blackberry mobile phones has asked for 18 to 24 months to provide a complete solution for interception of its Enterprise Mail, but with a condition that its services would not be banned. The Canada-based company said this at a meeting with the Department of Telecom. But the government declined to give this guarantee. The company was earlier given time till January 31, 2011, to provide solution for Lawful Interception of contents sent or received on the device.