code: public OvhTask billingAccount_number_serviceName_changeFeatureType_POST(String billingAccount, String serviceName, OvhTypeEnum featureType) throws IOException {
  		String qPath = "/telephony/{billingAccount}/number/{serviceName}/changeFeatureType";
  		StringBuilder sb = path(qPath, billingAccount, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "featureType", featureType);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhTask.class);
  	}
docs: Change the feature type of the phone number
  
  REST: POST /telephony/{billingAccount}/number/{serviceName}/changeFeatureType
  @param featureType [required] The new feature of the number
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required] Name of the service