curl --request GET \
  --url https://api.oneinbox.ai/v1/phone-numbers \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "<string>",
      "phone_number": "<string>",
      "friendly_name": "<string>",
      "provider": "<string>",
      "agent_id": "<string>",
      "status": "<string>",
      "inbound_trunk_id": "<string>",
      "outbound_trunk_id": "<string>",
      "dispatch_rule_id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "inbound_routing": {
        "agent_id": "<string>",
        "fallback": {
          "agent_id": "<string>"
        },
        "voicemail_message": "<string>"
      }
    }
  ],
  "total": 123,
  "limit": 123,
  "offset": 123
}