I would call and check.
You can also ask for tech help here.
http://www.broadbandreports.com/forums/all
Find your SBC location or ask in the SBC Direct forum. It could be a ramp up in speed also.
i just upgraded to sbc dsl pro. it just upgraded this morning but i still receive the same download speed ranging from 80-150kb/s. i also ran a test and i'm still receiving 1.3megs when dsl pro offers 1.5-3 at any given time.

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