and I have not changed anything else on wowza server.
Then why video sometimes work and other time not on iphone. I ahve checked the log, and it doesn't show any error log in error log file. When I try to open the url on the default iPhone browser, the wowza server console shows that it gets hit, and I can see Create log, but after 25-30 seconds, it prints stream destroed log.
But it always works on live.html, which is provided in the examples of wowza server.