I haven't used them in production, but I've started playing around with their voice API and it's pretty neat.
Also, you get $30 credit (for free) when signing up for a test account, so that should be more than enough to fiddle with tests and get your integration up and running.
Re:Ask HN: What service can I use to setup a number that rec...
by steverb on Friday October 15, 2010 @04:09PM
(#1796055)
Twilio really does rock. Super easy to use and get started and there are other providers that provide Twilio API compatibility in case you ever need it.
I haven't used them in production, but I've started playing around with their voice API and it's pretty neat.
Also, you get $30 credit (for free) when signing up for a test account, so that should be more than enough to fiddle with tests and get your integration up and running.