iPhone 4, iOS 4.3.1
Push notifications are working, when WiFi is turned off and device uses 3G, but when WiFi is on I can't receive any notifications.
I was told that something can block port 5223 that push notifications, so I've turned of firewall on my Linksys router. Still don't work.
For some games I used to forward port for IP address, the pattern in router configuration is as follows:
app_name, port_range_start, port_range_stop, TCP/UDP, IP
But when I list my DHCP clients in router admin page it seems that iPhone has no IP.
So what to do nex