1. 1
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
User Manual
D.S.E Shield
Military Grade Encryption
For Android OS 2.1 and Later

2. 2
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
1. Security Warnings.....................................................................................3
2. Installation.................................................................................................3
3. Configuration.............................................................................................4
4. Usage........................................................................................................5
Table of Contents

3. 3
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
- Only calls/text messages which are communicated with D.S.E Shield are
secure, normal calls/text messages on the device are not secure.
- Do not allow access to the secure phone device by other people.
- Do not allow installation of non-trusted software on the secure phone.
- For maximum security - it is recommended to switch off infra-red and
Bluetooth connections on the secure phone
If D.S.E Shield is already installed on your device, uninstall it before installing a new
version.
Method A:
In case you have received the APK file to your email – open that email from the GMAIL
application on the Android device. Next to the APK attachment in the email, you will
see an “Install” option. Select “Install” and proceed with the installation wizard.
Method B:
1. Download the installation file (.apk) to your PC.
2. Copy the APK file to the root directory of your memory card.
3. Download & install an application called “App Installer” from the Android Market.
4. In the Apps Installer application, you will see a list of the APK files stored in the root
directory of your memory card.
5. Select D.S.E Shield APK and you are done. You can now access the application
from the Android application menu.
Security Warnings
Installation

4. 4
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
- In the “Settings” screen, the following parameters are available:
− Server: you can set the server address which manages VOIP traffic
(default – D.S.E Shield Secure Server).
− Backup Server: you can set the address for a backup server (high availability).
− Auto-start D.S.E Shield - If set to “Yes”, D.S.E Shield automatically loads
when the phone is turned on.
− Auto Connect- If set to “Yes”, D.S.E Shield automatically connects on startup.
− Keep Text History: If checked, your secure calls history will be kept on the
device, to enable reviewing of past messages (default is Off).
− Ringtone - Enables to switch between the default ring tone, and any other ring
tone you select.
- Disable P2p - Enables to disable P2P voice so even when network conditions
permit, all encrypted voice should still pass through the secure relay server
(default – Off).
- When D.S.E Shield is first activated, you will need to input the following
details:
- Login details - the email and password of your D.S.E Shield account (if you
do not yet have those, please contact support@dsesolutions.co )
- Select a name for your secure device. This will be used by you and your
secure contacts to identify your device.
Configuration

5. 5
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
1. Add Secure Contact
Select Menu, then Add Contact
Insert the device name of your secure contact and confirm.
2. Secure Voice call
At least one secure contact needs to be in your contact list. To initiate a secure voice call,
highlight a secure contact, then press the "Call" green button.
3. Secure Text
To send a secure text message, highlight a secure contact, then press the “Text” button.
4. Secure File Transfer
To send a file securely, highlight a secure contact, then press the “Send File” button.
5. Secure SMS Messages
To send a secure SMS, select Menu, then “SMS Manager”. The SMS manager enables you
do the following:
• Create a new message (insert phone number or select from your phone’s
contact list).
• View your Inbox for incoming secure SMS messages.
• View your Sent box for outgoing secure SMS messages.
• Change the encryption key used in SMS encryption. Note – The same key has
to be inserted on all of your participating devices so that messages can be
properly decrypted.
Usage

6. 6
D.S.E Shield tm - Military grade encryption of Voice, Text, and File Transfer over an internet connection
(3G, GPRS, WIFI...).
D.S.E Solutions Ltd. Company ID No. 070387 95 Wilton Road, Suite 3, London, SW1V 1BZ , United Kingdom
D.S.E Solutions Ltd. Company ID No.... 070387
95 Wilton Road, Suite 3, London, SW1V 1BZ
United Kingdom
Phone:Phone:Phone:Phone: +44 (0)20 3318 1530
Fax:Fax:Fax:Fax: +44 (0)20 3004 1756
email:email:email:email: support@DSESolution.co