I am wanting to setup a service that allows people to send a text to my server and have the server return results of their questions.
Let's say they send a text to my server saying "movies"
and it returns the results
"Boondock Saints"
"Avatar"
"Star Trek - Spock got lost again"
what is this called? how much would something like this cost? would you be able to point me to a company that already offers this service?
When you google "inbound sms gateway" or "virtual sms" a large number of companies offering such SMS numbers will show up, all of them quite expensive, about 100 EUR/month.
For example a few random ones:
See also Can anyone recommend any good UK based SMS gateways for sending and receiving SMS using C#?