Hello 

I have two issues.
 
I am writing in Perl. 

While 2 people are talking in a conference room, the one person want to play the sound. 

In "Caller-Username", can you get useless. 
I have tried the above but, Member: it will not become a *** not found.. 

my $ api_cmd = sprintf ("conference% s play% s% s", $ e-> getHeader ("Conference-Name"), /etc/a.wav, $ e-> getHeader ("Caller-Username")) ; 


I want to play the above in the background 
It can not play in the next program. 
my $ api_cmd = sprintf ("conference% s play% s% s", $ e-> getHeader ("Conference-Name"), /etc/a.wav); 

$ con-> bgapi ($ api_cmd); 

Best regards