Most of the telecom service providers, except Airtel 2G and 3G and Vodafone 2G, in the Mumbai circle have failed to meet call drop rate benchmark of less than 2 per cent, said sector regulator TRAI in a statement on Tuesday after conducting a drive test.
IMRB International has carried out independent drive test for cellular mobile telephone service in Mumbai service area between May 10 - 13, the statement said.
"Most operators (in Mumbai circle), excepting Airtel 2G/3G and Vodafone 2G, are not meeting the under 2 per cent call drop rate benchmark, " said the Telecom Regulatory Authority of India (TRAI) statement.
It also stated that most telcos in Mumbai met the call set - up success rate benchmark of over 95 per cent, except MTNL 2G and 3G and Reliance Communications 2G.
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