String junk = os.readLine();
String junk = is.readLine();
	protected void send(String s) throws IOException {		if (debug) {			System.out.print(">>> ");			System.out.print(s);			System.out.println();		}		os.print(s);		os.print("\r\n");		// Expect the modem to echo the command.		if (!expect(s)) {			System.err.println("WARNING: Modem did not echo command.");		}		// The modem sends an extra blank line by way of a prompt.		// Here we read and discard it.		String junk = os.readLine();		if (junk.length() != 0) {			System.err.print("Warning unexpected response: ");			System.err.println(junk);		}	}