These are the instructions for configuring limewire and ZoneAlarm security suite...
Port Forwarding for the Dlink DI-604 (This link should read ZoneAlarm Pro not Dlink, anyway it is for ZoneAlarm)
Also your BT Voyager 205 has a Nat Firewall and these are your instructions to Port Forward, so Limewire is allowed...
Port Forwarding for the BT Voyager 205