This hack will allow you to use the WAP Data plans on Israel's Cellular Networks - Orange & Cellcom. (similar to T-Zones 5.99$ Hack).

The postfix for each is as below:
2GO - 2G SIM with IL Orange
2GC - 2G SIM with IL Cellcom
3GO - 3G SIM with IL Orange
3GC - 3G SIM with IL Cellcom