Abort a call at any stage
New POST /conversation/abort stops a call whether it is queued, ringing or live, for every conversation type. A queued call is removed and never dials (200 aborted); a ringing or live call ends within 5 seconds (202 aborting). Aborted calls get the new aborted status, are billed only for the time after they were answered, and are never re-dialed when a campaign resumes. It replaces POST /conversation/cancel and POST /conversation/{callId}/cancel, which only stopped queued calls. Both are now deprecated and keep working, as do the SDK’s cancel and cancel_queued methods.