This page allows you to gain access via WAP/GPRS services. Follow the instructions and you will have access via your mobile phone.
1. You can add to your core a routable ip. When open your browser from the phone and go to http://[ your_ip_address ]/pluto-admin/check.wml.
2. If you don't want to add a routable ip to the core, you will need to use another linux machine which has one. There, you'll have to create a file "check.wml" which uses 'curl' to access the wap page from the core: