[Asterisk-Users] SIP Conferencing

[Rahul Gupta]

Hello ,
   I am a newbie to * and have just been able to call
a sip User Agent on a different machine thru *. I was
trying to set up conferencing between 3 sip useragent
on different macines at my worplace but was not able
to figure out the procedure. I made the changes in
meetme.conf and extension.conf as specified by someone
in this mailing list, but * giving some error, " No
ISA Tormeta card found". Does conferencing require
some special hardware on the machine on which * is
running ??

thanks
rahul

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