code: public OvhOrder freefax_serviceName_convertToVoicefax_GET(String serviceName, String billingAccount) throws IOException {
  		String qPath = "/order/freefax/{serviceName}/convertToVoicefax";
  		StringBuilder sb = path(qPath, serviceName);
  		query(sb, "billingAccount", billingAccount);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Get prices and contracts information
  
  REST: GET /order/freefax/{serviceName}/convertToVoicefax
  @param billingAccount [required] The /telephony billing account you want your service to be attached to
  @param serviceName [required] Freefax number