Telecom Regulatory Authority Of India - Subsection
Section 2(xxix) in The Telecommunication Interconnection Usage Charges Regulation, 2003
(xxix)[ Roaming means the ability for a cellular subscriber to automatically make and receive voice calls, data and to access other services while travelling outside the geographical coverage area of the home network, by using the visited network. It is national roaming when visited network and the home network of the subscriber are in the same country and it is international roaming when visited network and home network of the subscriber are in different countries.] [ Inserted by Noti. No. 409-8/2004-F.N., dated 11.4.2005.]
