<div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I use "MeetMe(,Ms)" in the Dialplan and if a Conference Room does't exist Asterisk play (conf-invalid.slin)<br>
If i use "MeetMe(${room},Ms)" (value from DTMF Read) and the Conference Room doesn't exist Asterisk don't play (conf-invalid.slin) and Asterisk Hangup the Call.<br></blockquote></div><br>Use the "i" extension to control what happens when entering an invalid room number. Simple example:<br>
<br>exten => 5000,Goto(confline,s,1)<br><br>[confline]<br>exten => s,1,Background(enter-conf-call-number)<br>exten => s,n,WaitExten(20)<br><br>exten => i,1,Playback(conf-invalid)<br>exten => i,n,Goto(s,1)<br>
<br>exten => t,1,Goto(s,1)<br><br>; Participants always dial a 7-digit conference number, optionally followed<br>; by the #-sign<br>exten => _XXXXXXX,1,MeetMe(${EXTEN},Mxwsp)<br>exten => _XXXXXXX,n,Hangup()<br>exten => _XXXXXXX#,1,Goto(${EXTEN:-8:7},1) <br>