curl --request GET \
  --url https://api.itellico.ai/v1/accounts/{account_id}/sip-trunks \
  --header 'X-API-Key: <api-key>'

{
  "count": 123,
  "items": [
    {
      "id": "<string>",
      "name": "<string>",
      "phone_numbers": [
        {
          "id": "<string>",
          "number": "<string>",
          "friendly_name": "<string>"
        }
      ],
      "has_auth_password": false,
      "auth_password_length": 123,
      "allowed_ips": [
        "<string>"
      ],
      "termination_uri": "<string>",
      "sip_auth_username": "<string>"
    }
  ]
}