On Mon, March 3, 2008 10:57 am, Stephen Irons wrote: > yuri wrote: >> On 29/02/2008, Stephen Irons wrote: >> >>> When connecting a Vodafone 715 mobile phone to a PC running Ubuntu >>> Gutsy...nothing happens. Well, nothing visible. lsusb reveals that the >>> kernel sees the device plugged in: >>> >> [snip] >> >>> Just USB mass-storage support (to speed up transfer of files to the >>> device) would be enough: it costs too much to access the internet via >>> mobile phone. >>> >> >> Does the connectivity menu on the phone give an option to activate USB >> mass storage? >> Some phones have two modes for USB. >> >> Yuri >> > There is nothing obvious in the settings that suggests a USB storage > option; I think I have traversed the whole menu-space. It has been easy > to find on other devices (like my camera). > > Some debugging over the weekend with the help of a friend's Windows box: > > 1. The Vodafone PC Assist software includes a Windows device driver that > make the phone look like a USB serial port. > > 2. Typing 'AT <enter>' at a terminal gets an 'OK' response, but 'ATDT > <number>', 'ATH0' and 'ATH1' give an error message. They seem to have > some private protocol running over the serial connection. > > 3. The PC Assist software includes functions to manage the SMS, calls > and emails on the phone, to synchronise the phone's address book and > calendar with Outlook, and to manage files on the phone. It also > includes a useless photo editor, and so on. They have fallen into the > trap of trying to provide a phone management application, rather than > providing a connection so that you can use your own first-class tools to > manage the set of data that happens to be on the phone. > > 4. It might be possible to reverse engineer the protocol over the serial > connection. One would hope it is the same as the E620 or E220, for which > support seems to be coming slowly. > > 5. The PC Assist application restricts the serial speed is limited to > 115200 baud. Transfer rate is slow (a number of seconds to transfer 100k > of data). But what does it mean to limit a USB serial port speed to > 115200 baud? Is the average data rate restricted to 115200? > > 6. I will just use the Bluetooth connection -- it seems to transfer > files at about the same speed as the USB connection. > > Stephen Irons
What OS is the phone running? -- Nick Rout
