T61 - WWAN does not connect when resuming from sleep mode

Hi.
I have a T61 with integrated WWAN, which works perfectly - except I use sleep mode a lot, and when i resume from sleep mode, WWAN doesn't connect, I always get the same error - IP configuration failed. If I restart my OS, WWAN works normally again.
So far i have tried on Windows XP, Vista 32, Vista 64 and Windows 7 32 bit - always the same!
I connect via Access Connections, maybe there is a known issue?
Thank you, B

This bugs me as well.  With the new Verizon software I just installed, it says "Adapter Disabled" when I resume from sleep.
I suspect a driver bug that needs to be adressed.
I use Vista Business 32bit, but had the same problem with XP.
Don Mannino

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