How hard is it?
Quite simply, spam doesn't scale. Anything that doesn't scale in the telecom/computing world is contraindicated. I'm considering adding all of India to my filters ... This shit is getting tiresome.
Indians preparing to celebrate the nation's most important holiday, Diwali, may have to do so without being able to text friends and family after an ugly TXT war erupted among Indian telcos. India's Economic Times reports that Bharti Airtel won't accept incoming TXTs from rival networks Aircel and Reliance Communciations, both …
I suspect problem is not spam, as the consumer has asked for the message. The problem is the sending network get sthe message from a company and charges them a fee. They then deliver it to the consumer network for a much lower fee using inter working agreements geared up for person to person messages. Hence the receiving network loose money it would have been paid for delivering the message. When you are takling millions of messages a day this gets to be big sums of money.
this can be pretty much stopped by installing an SMS firewall with some good filters. Maybe the carriers in India should learn to use google and search on SMS firewall.