code: public ArrayList<OvhPhone> billingAccount_oldPhone_GET(String billingAccount) throws IOException {
  		String qPath = "/telephony/{billingAccount}/oldPhone";
  		StringBuilder sb = path(qPath, billingAccount);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t16);
  	}
docs: List old phones archived as they were not returned after an RMA
  
  REST: GET /telephony/{billingAccount}/oldPhone
  @param billingAccount [required] The name of your billingAccount