Error connect to shoutcast

[ho-kia]

eh,, i'm using adsl modem with built in router ( Because I share with my friend ). before it, i use a normal connection and the shutcast worked correctly. But when i use this adsl.. it can't connect.
The error message is:

<06/27/03@20:08:58> [yp_add] yp.shoutcast.com gave extended error (Cannot see your station/computer (IP: 219.95.159.27:5555) from the Internet, disable Internet Sharing/NAT/firewall/ISP cache (Connection timed out))


Please...... for anyone who can help me.... Because i want to share my music with my friend. thank's a lot!!!