hello guys , i need someone to help me with my internet problem .
today i got DSL idm it's 512down speed up to 1024 Kb/s
I was using cable 128k real slow.
my download speed is awsome sometiems reach 150 and surfing is good
but when it comes to playing worldofwarcraft and warcraft 3 on gg-client or eurbattle.net i lag like hell , 4 bars of lag = 1000 ms
with my old 128 crap cable i had 600-700 ms
PLZ need help , some ppl told me it's a port problem and something could be done
CAn help me ( dont tell me change ISP

I just got the best in my country)
can i call them to open some ports or something for better gaming
hope to find answers
thank u
(I HAVE normal DSL Modem ,,no router)