Yes call her within the next couple of days and ask her if she wants to go out sometime - the fact that she actually gave you her number proves she's interested so go for it! Your friend is talking rubbish.

__________________
"When I was 4 years old, they tried to test my IQ.
They showed me this picture of 3 oranges and a
pear. They asked me which one was different and
did not belong. They taught me different was
wrong."
- Ani DiFranco -