03aaf411__BlackBerry_Curve_Series___7_1__Description
[Option] IP Hosts [Description] 
Set which WAP gateways your smartphone accepts browser push messages from. To accept browser push messages from a specific IP host, type the IP address for the WAP gateway.
Browser push options - BlackBerry Curve 9310/9315/9320 Smartphones - User Guide - BlackBerry Curve Series - 7.1