Create an AI phone agent

curl --request POST \
  --url https://api.open.cx/phone \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "type": "inbound",
  "language": "<string>",
  "accent": "<string>",
  "handoff_phone_number": "<string>",
  "speed": 1,
  "interruptible": true,
  "actionIds": [
    "<string>"
  ],
  "instructions": [
    "<string>"
  ],
  "data_collection_fields": [
    "<string>"
  ],
  "data_collection_webhook_url": "<string>",
  "model": "oppie-vox",
  "first_message": "<string>",
  "voice_id": "<string>",
  "flow": "<any>",
  "use_org_knowledgebase": true,
  "manual_mode": true,
  "custom_llm": "<string>"
}'

{
  "id": "<string>",
  "org_id": "<string>",
  "phone_number": "<string>",
  "name": "<string>",
  "type": "inbound",
  "language": "<string>",
  "accent": "<string>",
  "handoff_phone_number": "<string>",
  "speed": 123,
  "interruptible": true,
  "actionIds": [
    "<string>"
  ],
  "instructions": [
    "<string>"
  ],
  "data_collection_fields": [
    "<string>"
  ],
  "data_collection_webhook_url": "<string>",
  "model": "oppie-vox",
  "voice_id": "<string>",
  "first_message": "<string>",
  "created_at": "<string>",
  "updated_at": "<string>",
  "provider_external_id": "<string>",
  "flow": "<any>",
  "manual_mode": true,
  "custom_llm": "<string>",
  "use_org_knowledgebase": true
}