[asterisk-users] Problem configuring voice conference

[Asterisk Asterisk]

Hey!

I am trying to configure the voice onference with
MeetMe application for my internal users. I have my
server and 4 clients on same LAN and following is my
extensions.conf file:

[globals]
Ahsen=SIP/222
Tahami=SIP/444
Uzair=SIP/333
Wasif=SIP/555


[internal]
exten => 1234,1,Macro(voicemail,${Ahsen})
exten => 4321,1,Macro(voicemail,${Uzair})
exten => 5678,1,Macro(voicemail,${Tahami})
exten => 8765,1,Macro(voicemail,${Wasif})


;For Call Conferencing
;Here the syntax is	exten => extension(normally the
conf room no.),prority,
;MeetMe(conf. room no.,i(announces when people enter
and exit the conference),password)

exten => 700,1,MeetMe(600,i,1234)

;limit the conference room to 10 participants
exten => 700,1,MeetMeCount(600,CONFCOUNT)
exten => 700,2,GotoIf($[${CONFCOUNT} <= 10]?3:100)
exten => 700,3,MeetMe(600,i,1234)
exten => 700,100,Playback(conf-full)


[macro-voicemail]
exten => s,1,Dial(${ARG1},10)
exten => s,2,VoiceMail(u${MACRO_EXTEN}@default)
exten => s,102,VoiceMail(b${MACRO_EXTEN}@default)

;So usrs can dial 500 to access their voicemail
exten => 500,1,VoiceMailMain( )

But from any client i dial extension 700 to initiate
teh conference i get the following error at asterisk
CLI:

[Mar 12 15:41:38] WARNING[2756]: pbx.c:1779
pbx_extension_helper: No application 'MeetMe' for
extension (internal, 700, 1)


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