I may have totally missed it, but I've searched this site and forum and haven't run across the answer to this yet.
iPhone player + iPhone stream url
else if android
android player + android url
elseif IE + flash installed
flash player + flash url
Some basic code that runs in the client's browser, detects what kind of player and stream should be used, and adds that html code to the web page at render time so the correct player <object> or <embed> and the correct wowza stream url format are dynamically selected to that one web page is compatible with many platforms and devices.
There are tons of examples out there, as I've mentioned, application server examples: asp, php, jsp, or cold fusion. That's where you would do this, not in Wowza. Evaluate userAgent in your app server as you are forming the html for a response to a client request.