Live streaming to iOs devices not Stable

Hi

   I am using FMS 4.5 and i am having problem live streaming to ios devices live streaming to mac, PC or android is nice and stable but to ios devices not getting stable streaming to start the streaming plays for 0.25 sec and then I get error  movie can not load or sometimes I get error movie can not load from beginning can someone help me with this issue I do not have aac encoder this is might be my problem Below is configuration for my m3u8 files just incase

#EXTM3U

#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=110000

http://issosnj.dyndns.org/hls-live/livepkgr/_definst_/liveevent/livestream1.m3u8

#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=310000

http://issosnj.dyndns.o/hls-live/livepkgr/_definst_/liveevent/livestream2.m3u8

#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=610000

http://issosnj.dyndns.org/hls-live/livepkgr/_definst_/liveevent/livestream3.m3u8

here is link to player http://www.issosnj.org/live

Thanks