Busy treatment in Dial() not working?

Hi there,

I tried the Dial() n+101 condition when the destination channel is busy (see below), but it doesn’t seem to work. :

Please help! Thanks ahead of time. 8)

Cheers,
Gia Nguyen

exten => _XXXXXXXXXX,1,Dial(SIP/{EXTEN}@tci.com)
exten => _XXXXXXXXXX,2,Playback(invalid)
exten => _XXXXXXXXXX,3,Playback(vm-goodbye)
exten => _XXXXXXXXXX,4,Hangup
exten => _XXXXXXXXXX,102,Playback(vm-nobodyavail)
exten => _XXXXXXXXXX,103,Goto(aa33,s,1)