code: public void billingAccount_line_serviceName_block_POST(String billingAccount, String serviceName, OvhLineBlockingMode mode) throws IOException {
  		String qPath = "/telephony/{billingAccount}/line/{serviceName}/block";
  		StringBuilder sb = path(qPath, billingAccount, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "mode", mode);
  		exec(qPath, "POST", sb.toString(), o);
  	}
docs: Block the line. By default it will block incoming and outgoing calls (except for emergency numbers)
  
  REST: POST /telephony/{billingAccount}/line/{serviceName}/block
  @param mode [required] The block mode : outgoing, incoming, both (default: both)
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required]