FLASH USB MEMORY STICKUSB memory stick can be used to copy personal phonebook items or to upgradethe phone software. Instruction on software upgrade is available to administratoronly. User should not attempt to upgrade the software.To copy phonebook items follow the instructions below.EXTERNAL USB PORT SPECIFICATIONSThe SMT-i5243 phone has one built-in USB v1.1 port that supports three types ofexternal USB devices (USB port does not support USB hub):1. USB BLUETOOTH DEVICES: Users can make and receive calls through a blue-tooth wireless headset when connected with the USB bluetooth dongle.USB Bluetooth DongleMost of USB Bluetooth dongle that contains CSR (Cambridge Silicon Radio)chipsets will work with the phone.There is no way to verify all the products inthe market. The following products have been verified with the phones:• Billionton USB Bluetooth Adapter (v2.1 + EDR)• Belkin Mini Bluetooth Adapter• Billionton BT0003• Inparo H-20• Collection SS-BT2• Hama Nano-Bluetooth USB Bluetooth Adapter v2.1 + EDR1021 Plug the supported USB memory stick into the USB port.2 When phone is in idle screen, press Menu,Settings, and then User DataManagement.3 Use Export Phonebook to USB to saveyour personal phonebook stored in theSMT-i5243 phone into the USB memory, andImport Phonebook from USB to uploadthe phonebook stored in the USB to yourSMT-i5243 personal phonebook.Bluetooth Headset:• Jabra BT530• Aliph Jawbone II Bluetooth Headset with NoiseAssassin• Samsung WEP 250• Plantronics Voyager 925• Plantronics Voyager pro• Plantronics Discovery 9252. USB CAMERA: Users can make and receive video calls among SMT-i5243phones at local or remote site (required MPS channels) when connected to aUSB camera.Most of the USB camera with UVC (USB video class) driver should not haveissue with the phone. There is no way to verify all the products in the market.The following products have been verified with the phones:• Logitech QuickCam Pro 9000• Logitech QuickCam Deluxe• Logitech Webcam C250• Logitech Webcam C300• Microsoft LifeCam VX-8003. USB FLASH MEMORY: When connected to an external USB memory stick,users can upload or download phone book items to the phone. Administratorcan also use the USB memory to upgrade the phone software.Any USB memory sticks that support Linux operation system should not haveany issue with the phone. Most of recent USB memory sticks can support bothWindows and Linux operating systems. The phone support USB memorysticks with maximum size of 4 GB.The following products have been verified with the phones:• Kingston DataTraveler I 2GB• Kingston DataTraveler I 4GB103