configuring conference call in Asterisk
I want to configure conference call through asterisk.
The configuration which i did are
in meetme.conf file i enter
conf => 600
and in extensions.conf file i wrote
exten => 600,1,MeetMe(600,i,54321)
but its not working. when i saw errors on asterisk console its was that extension 600 is not available.
Plz guide me. Is need to enter sm thing in sip.conf??????/