• Double click on the downloaded file to execute and install the USB Logger Device driver.
• Setup Wizard will appear, press “Next” to proceed.

• Select the destination folder to install the OchaVL API y.xx (here 'y.xx' denotes the latest version of Ocha API, version ). Press “Next” to continue.

• Click “Next” to continue.

• Installation process takes place and the OchaVL API y.xx will be installed in the computer.

• Click “Finish” to complete.

• Use USB cable to connect Ocha Single ISDN PRI USB Logger device to the USB slot on the back side of the computer. It should not be connected to the USB slot given in the front of computer.
• LED on the front-side of the device turns red and blinks. Windows shall automatically detect and install the hardware. Message appears as “Installing device driver software”. To check the status of device driver, click the link “Click here for status.”
• After completing the installation, message appears as “Device driver software installed successfully”. In case if the driver is not installed automatically, then go to Device Manager and update the driver software.
• In the Device Manager, the device will be detected under Universal Serial Bus Devices as Ocha Voice Logger Digital Trunk with a yellow exclamation sign. Right click and update the driver software.
• Select the option “Browse my computer for driver software”.
• Select the location of driver software (for example, C:\Ocha\VL y.xx\Drivers (here 'y.xx' denotes the latest version of Ocha API, version )) and then click “Next“. Message appears, click “Install this driver software anyway” to proceed.
• The driver software will be installed and after successful installation, click “Close“.
• Now, connect the ISDN PRI line as shown in the above diagram.
• Finally, to ensure the working of the Ocha USB Logger device from API versions 1.04 or higher, select the downloaded file from C:\Ocha\VL y.xx\Samples (here 'y.xx' denotes the latest version of Ocha API, version ). On selecting the file, two folders named C# and VC are found. The folders represent the corresponding programming language, which the user could choose as per requirement. After choosing either one of the folders, select the folder BasicLogging and proceed with execution of the ".exe" program.
• In case Firewall blocks the execution, select the checkbox corresponding to Private and Public within the option BasicLogging.exe to allow access. The LED status will appear as green if the line is up while running the .exe file.
• Make a test call and check whether the calls are recorded to ensure that the USB Logger is working properly. The recorded audio files will be available within the folder named "Waves" in the BasicLogging folder.

The product uses the standard RJ45 connector for recording purposes.