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I am trying to establish Bluetooth connection between an Android device with other mobile phone over Handsfree profile. I am using following code - private static final UUID MY_UUID = UUID.fromString("0000111F-0000-1000-8000-00805F9B34FB"); // UUID for Hands free profile // Some code... // Get Bluetooth Adapter. m_oBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); // Some code... // For paired BT device, getting a connection established. if(null != m_oBluetoothDevice) { if(BluetoothDevice.BOND_BONDED == m_oBluetoothDevice.getBondState()) { try { m_oBluetoothSocket = m_oBluetoothDevice.createRfcommSocketToServiceRecord(MY_UUID); m_oBluetoothSocket.connect(); Log.i(TAG, "Socket Connected"); } catch(Exception e) { if(null != m_oBluetoothSocket) { Log.i(TAG, "Closing socket"); try { m_oBluetoothSocket.close(); } catch (Exception e1) { Log.i(TAG, "Error while closing socket : " + e1.getMessage()); } } } } } I can create RFCOMMSocket using this code. Now I want to send AT commands based on Bluetooth Hands-Free profile. e.g. If other mobile phone receives a phone call, my Android device can reject this call by sending AT command- "+CHUP" . I am not sure whether this is possible or not. At this point, I am stuck. I have read Bluetooth APIs where I found - BluetoothHeadset.ACTION_VENDOR_SPECIFIC_HEADSET_EVENT Can we use this Intent for sending AT commands? Is this a proper way to send AT command based on Bluetooth Hands-Free profile? Please someone help me out and give me proper direction. Any input from you all will be great help for me.</p

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