#when I dial this directly from my sip phone, it rings until someone answers
exten => 500,1,Answer
exten => 500,2,Queue(sscq|tr|||30)
exten => 500,3,Playback(vm-intro)
exten => 500,4,Voicemail(s101)

#when I call my toll free number and enter the queue this way, there is no ringing. very confusing for my callers.
exten => 8003421935,1,Answer
exten => 8003421935,2,Queue(sscq|tr|||30)
exten => 8003421935,3,Playback(vm-intro)
exten => 8003421935,4,Voicemail(s101)