While Airtel subscribers may enjoy free accesss to Facebook and Google (here and here), the Leading Indian MNO is going to surcharge VoIP services, a common step in the fight against OTT services.
In other countries, such a move led to tight Net Neutrality laws (Singapore, Netherlands).
Telecom Lead reports that "Indian telecom service provider Bharti Airtel has increased VoIP call charges to 4 paise / 10 KB for 3G service to take on OTT players. For comparison, Bharti Airtel charges 0.25 paise per 10 KB for traditional 3G data .. its rivals such as Idea Cellular and Vodafone India are expected to follow suit, leading to a debate over net neutrality.
At the end of June 2014, Airtel had over 209M subscribers,
|Source: Airtel Investor Presentation: Nov, 2014|
“We have made some revisions in the composition of our data packs and will offer VoIP connectivity through an independent pack that will be launched shortly. Our customers can continue enjoying voice calls over data connectivity by opting for this VoIP pack, or simply use VoIP services on pay-as-you-go basis,” a Bharti Airtel statement said.
See "Airtel takes on OTT with higher VoIP call charges" - here.