code: public OvhTrunkExternalDisplayedNumber billingAccount_trunk_serviceName_externalDisplayedNumber_number_GET(String billingAccount, String serviceName, String number) throws IOException {
  		String qPath = "/telephony/{billingAccount}/trunk/{serviceName}/externalDisplayedNumber/{number}";
  		StringBuilder sb = path(qPath, billingAccount, serviceName, number);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhTrunkExternalDisplayedNumber.class);
  	}
docs: Get this object properties
  
  REST: GET /telephony/{billingAccount}/trunk/{serviceName}/externalDisplayedNumber/{number}
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required] Name of the service
  @param number [required] External displayed number linked to a trunk