[Asterisk-Users] disable initial music for call queue

[Pavel Jezek]

I'm trying to setup very simple call queueing system like:
enter the queue, ringback
1) when agent busy or no answer play message "please wait..."
2) play music
3) goto 2

seems, that asterisk queue system will immediately plays music on hold 
when enter the queue, this can be confusing for users :-(
so, is possible to disable this initial music playback?
I tried the "r" option when calling queue(), but this disables all 
message promts and music, it rings until agent answers...
thanks
PJ