#Docs says: > Call initiation failure webhook events are sent when a call fails to initiate due to

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errant harnessBOT
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AI-generated Answer for programminglanguage.

Short answer: yes—whether you get call_initiation_failure depends on how the telephony provider classifies the outcome.

What the docs say

  • ElevenLabs sends call_initiation_failure only when the call fails to initiate (e.g., connection error, user declines, no‑answer). If the call reaches voicemail or any automated system, it’s considered successfully initiated and no call_initiation_failure is sent. (elevenlabs.io)
  • The payload includes a normalized failure_reason (busy, no-answer, unknown) plus provider metadata. For Twilio, ElevenLabs forwards Twilio’s StatusCallback body in metadata. (elevenlabs.io)

Why you didn’t get call_initiation_failure when you “didn’t pick up”

  • If your mobile rang out and then voicemail (or carrier screening/auto-attendant) answered, Twilio reports the call as answered by an automated service. Per docs, that is “successfully initiated,” so ElevenLabs will not emit call_initiation_failure. You will see call_initiation_failure when the provider reports outcomes like busy or unreachable (phone off), or true no-answer without voicemail pickup. (elevenlabs.io)

How to verify

  • Check the Call History page for the specific attempt; it shows failures and reasons. Also inspect the webhook’s metadata.body (for Twilio) to see the provider-reported status that drove the behavior. (help.elevenlabs.io)

If you need more help, share the exact provider metadata from the related attempt so we can confirm whether it was classified as “voicemail/automated answer” vs “no‑answer.” (elevenlabs.io)

Sources:
Post-call webhooks | ElevenLabs Documentation
Post-call webhooks | ElevenLabs Documentation
Post-call webhooks | ElevenLabs Documentation
Where can I locate the reason for my call failing? – ElevenLabs
Post-call webhooks | ElevenLabs Documentation

dusk sage
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Can I assume, when my call status in twilio = Completed, but I didn't pick up the call, so my telephony provider classifies 'No answer' as 'Completed' 11labs will send me 'transcript' post call webhook event? I tried now, added 'transcript' to post call webhook events, didn't pick up the phone, and I didn't get any webhooks...