CEO says 51 million calls go unanswered daily as spam visibility remains restricted
Court backs per clock hour ad limit, affirms TRAI's powers over TV quality norms
Regulator wants authority to address spam labels on 140 and 1600 series calls
Operators push for 5 to 7 per cent cuts as rising channel prices squeeze margins.
TRAI says wireless base hits 1.29 billion while 14.46 million users port numbers in May.