TRAI asks global SIM card cos to explain poor service quality
International SIM card and global calling card companies have caught the attention of telecom regulator TRAI over instances of unsatisfactory service quality provided to consumers when they are travelling abroad.
Mar 14, 2017, 14:45 PM ISTGetting an international SIM card? Here's a checklist of things
Here is a checklist of things to determine before taking possession of international SIM.
Jul 17, 2015, 13:04 PM IST