asterisk怎么获取的channel

asterisk怎么获取的channel

extensions.conf
[default]
exten => _XXXX,1,Set(DYNAMIC_FEATURES=nway-start)
exten => _XXXX,n,Dial(SIP/${EXTEN})

[dynamic-nway-invite]
exten => 0,1,noop(dynamic-nway-invite)
exten => 0,n,Read(DEST,dial,,i)
exten => 0,n,Set(DYNAMIC_FEATURES=nway-inv#nway-noinv)
exten => 0,n,Dial(Local/${DEST}@dynamic-nway-dest,,g)
;exten => 0,n,Set(DYNAMIC_FEATURES=)
exten => 0,n,Goto(dynamic-nway,8600,1)
exten => i,1,Goto(dynamic-nway,8600,1)
[dynamic-nway-dest]
exten => _XXXX,1,noop(dynamic-nway-dest)
exten => _XXXX,n,Dial(SIP/${EXTEN})
[dynamic-nway]
exten => _XXXX,1,noop(dynamic-nway)
exten => _XXXX,n,Answer
exten => _XXXX,n,Set(MEETME_EXIT_CONTEXT=dynamic-nway-invite)
exten => _XXXX,n,Set(DYNAMIC_FEATURES=nway-inv#nway-noinv)
exten => _XXXX,n,MeetMe(${EXTEN},pdMX)
exten => _XXXX,n,Set(DYNAMIC_FEATURES=)
exten => _XXXX,n,Hangup
[macro-nway-start]
exten => s,1,noop(macro-nway-start)
exten => s,n,Set(CONFNO=8600)
exten => s,n,ChannelRedirect(${BRIDGEPEER},dynamic-nway,${CONFNO},1)
exten => s,n,Read(DEST,dial,,i)
exten => s,n,Set(DYNAMIC_FEATURES=nway-noinv#nway-inv)
exten => s,n,Dial(Local/${DEST}@dynamic-nway-dest,,gtT)
exten => s,n,Set(DYNAMIC_FEATURES=)
exten => s,n,MeetMe(${CONFNO},pdMX)
exten => s,n,Goto(dynamic-nway,${CONFNO},1)
[macro-nway-ok]
exten => s,1,noop(macro-nway-ok)
exten => s,n,ChannelRedirect(${BRIDGEPEER},dynamic-nway,8600,1)
[macro-nway-notok]
exten => s,1,noop(macro-nway-notok)
exten => s,n,SoftHangup(${BRIDGEPEER})
features.conf
nway-start => *00,caller,Macro,nway-start
nway-inv => *11,caller,Macro,nway-ok
nway-noinv => *33,caller,Macro,nway-notok