Do Pre-Transfer Webhooks Fire on Every Call? - Invoca

No — the connection to the destination number must be fully established first. If the caller hangs up early, the webhook won’t fire.

For a Pre-Transfer Webhook to fire, the connection to the destination number must be fully established. If the caller hangs up early, or the call ends before a connection can be established, the webhook won’t fire. Applies to: Webhooks, Deliveries

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Do Post-Call Webhooks Fire on Short Phone Calls?

Last modified on September 24, 2026