20 déc. 2011 · Callin' Oates is very viral test of a new service powered by Twilio, a startup self-described as "simple, powerful, pay-as-you-go APIs for cloud communications." It's unclear if it was intended to be a marketing effort, but based on a new but very active Twitter account, @CallinOates, we're pretty sure it is. The folks behind the world's only Hall & Oates phone line have heard your cries, and they've rolled out some more musical hotlines to keep your spirits toasty this season.