method 1 high level (core most funcs that use switch_ivr_playback)

Delimiter is set by a var which also enables the parser 
<action application="set" data="playback_delimiter=!"/>
<action application="set" data="playback_sleep_val=500"/>
<action application="playback" data="/ram/sr8k.wav!/ram/swimp.wav"/>

method 2 low level (mod_file_string lower level code that uses direct file handles)

Delimiter is always !
<action application="playback" data="file_string:///ram/sr8k.wav!/ram/swimp.wav"/>



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13182 d0543943-73ff-0310-b7d9-9358b9ac24b2