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Error 21207

Error - 21207

Invalid IfMachine

You attempted to initiate an outbound phone call, but you sent an invalid IfMachine parameter. Twilio can determine if an answering machine or voicemail has answered the call, and behave differently if it has. Valid options for IfMachine are "Continue" (continue with the call, progressing after the beep), "Hangup" (immediately hangup the call) or "False" (don't determine if a machine has answered).

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