GSM operators may approach TDSAT challenging Trai's directive, which asked them to give interconnection to Reliance Communication GSM network.
"We are certainly examining legal option and will take a call on this today," said GSM operators association COAI Director General T V Ramachandran.
The telecom regulator in the second ultimatum to GSM operators, including Bharti, Vodafone and BSNL, has given August 21 as the deadline to give interconnections to the RCom GSM network.
Trai has cited it as a licencing condition to provide interconnection among the service provider implying if a mobile operator does not give interconnection to another based on mutual commercial agreement, it is a violation of license condition attracting penalty.
GSM operators on their part said, Reliance GSM has a new network for which commercial term has to be re-negotiated. The existing arrangement between RCom and GSM operators are for the CDMA network.