It sounds like your SIP number may not be properly associated with your SIP trunk credential in Vapi. Try registering your phone number with your SIP trunk using the following API call (replace the placeholders with your actual details):

bash
curl -X POST "https://api.vapi.ai/phone-number" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
  -d '{
    "provider": "byo-phone-number",
    "name": "My SIP Number",
    "number": "YOUR_SIP_NUMBER",
    "numberE164CheckEnabled": false,
    "credentialId": "YOUR_CREDENTIAL_ID"
  }'

This should allow Vapi to recognize your number for outbound calls. Source: - [Vapi SIP Trunk Documentation](https://docs.vapi.ai/advanced/sip/sip-trunk)

Message marked as helpful by @GIDEON! 🎉

Try reloading the page, what is your location to be specific.

Hii I have same issue but i have imported the number from twilio can someone help

Could you please share how you configured your twilio number through VAPI?