What does ttyUSB mean? Sometimes, the embedded microcontroller does not come with a hardware USB interface. While it is possible to use a software-only USB stack, the additional constraints put onto the CPU and the usually small storage size often lead board designers to include a dedicated UART to USB bridge.
Because of a busy weekend I didn't really follow up other than via emails and this still hasn't been resolved. The consistent word from them was that porting a number sometimes takes 24 to 48 hours.. I spoke to a rep by phone today who promised it would be done within 2 to 4 hours.. It wasn't.
A port from another wireless carrier usually takes between 5 minutes and 24 hours to complete, depending on the carrier and the accuracy of the information submitted. During the process of the port, you'll be able to make calls right away from your new Verizon Wireless phone but you will not be able to receive calls.