Here is a follow up to my last message. Today i "monitored" the cellular traffic coming to and from the iPhone. Well, not really, i wrapped my speaker cable around the iphone to pick up cellular RF :-) ... it sort of gives you an idea... there was pretty much no traffic, aka pulse noise in the speaker until i sent a mail to my yahoo account. then, immediately there was cell traffic and immediately after, the iphone sent of a IMAP call via WIFI.

So i think this, while not very scientific, confirms that the yahoo "push" to the iPhone involves cellular data rather than P-IMAP or IDLE.

:-(

anyone here know of a what to programatically send data over cellular?