Revenues are good in this business. One reason being the attempt to race up the value chain. Most call centres will, in the future, focus on the fulfilment part of the e-commerce business. Or, in the future, online training, where a sales executive can synchronise his or her computer screen with that of the customer and then take him or her through the screen. The best part of the job is that the youngsters love it.
Kids take to it like duck to water.
And they are paid to do it. There are caveats here, though. And it's not that entry barriers are high. Just common sense, understanding and English speaking capabilities. It's the same in the UK, US and everywhere else.