/** SMS 결과 수신을 위한 Connection 및 Session 해제한다. */ public void close() { try { if (receiver != null) receiver.close(); } catch (SMEException ignore) { ignore.printStackTrace(); } try { if (sessReceiver != null) sessReceiver.close(); } catch (SMEException ignore) { ignore.printStackTrace(); } try { if (connReceiver != null) connReceiver.close(); } catch (SMEException ignore) { ignore.printStackTrace(); } }