W.e.f 01-01-2013 free calls offered by BSNL for various BB plans are for within BSNL network only. You will be billed if you call any other network.
Prior to 01-01-2013 this was applicable to Chennai users only. Other users(rest of India) had free calls to all/any network. Now free calls facility is for BSNL-BSNL usage only for Chennai & rest of India too.![]()
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