code: public ArrayList<OvhLinePhoneAssociable> billingAccount_line_serviceName_listAssociablePhones_GET(String billingAccount, String serviceName) throws IOException {
  		String qPath = "/telephony/{billingAccount}/line/{serviceName}/listAssociablePhones";
  		StringBuilder sb = path(qPath, billingAccount, serviceName);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t6);
  	}
docs: List phones with available slots where this line can be attached
  
  REST: GET /telephony/{billingAccount}/line/{serviceName}/listAssociablePhones
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required]