Apply Twilio to your use case, and see how the world's most innovative customers have succeeded.
Twilio can help you get started.Talk to Sales
Learn more with Workshops and Technical Sessions
You attempted to initiate an outbound phone call, but you sent an invalid Timeout parameter. The timeout specifes how long Twilio should let the phone ring before giving up, and is useful if you want to have Twilio hangup before an answering machine picks up. You may specify any positive, whole integer for the Timeout parameter.