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11/26/2025, 1:11 AMRamik
11/28/2025, 12:45 AM/call endpoint to initiate calls. Specify assistantId for your call assistant and phoneNumberId for the number you're calling from. Check the [Outbound Calling](https://docs.vapi.ai/calls/outbound-calling) guide for more details.
3. **Ensure Trusted Calling Setup**:
- Consider implementing STIR/SHAKEN and CNAM to maximize call answer rates, as outlined in the [Trusted Calling Guide](https://docs.vapi.ai/calls/outbound-calling#trusted-calling-and-caller-id).
For a structured campaign approach, see the [Outbound Campaigns Overview](https://docs.vapi.ai/outbound-campaigns/overview) for setting up and running call campaigns, managing recipients, and analyzing call performance efficiently.