You can try doing an ipconfig/release and then a factory reset on your modem followed by an ipconfig/renew. Honestly though you will likely need to wait for this to be resolved externally.
Have you opened a ticket with us on this already? If not can you please post your account info here: »TekSavvy Direct
and we can then let you know the information we would need to have a ticket opened.
TSI Keith (E-Services) - TekSavvy Solutions Inc.
Authorized TSI employee ( »TekSavvy FAQ »Official support in the forum )