[root@asterisk asterisk]# more extensions.conf
;KY
;;;;;;;;;;;;;

[vsky]
exten => 1001,1,Dial(SIP/bbc)

exten => 1002,1,Dial(SIP/test)

exten => 1003,1,Dial(SIP/krish)

exten => 1004,1,Dial(SIP/ravi)

exten => 1005,1,Dial(SIP/sad)

exten => 1006,1,Dial(SIP/zen)

exten => 84.11.110.56,1,Dial(SIP/1001)
;exten => _0[1-9].,1,Dial(SIP/out/${EXTEN})
;exten => _00[1-9].,1,Dial(SIP/out/${EXTEN})
exten => _9.,1,Dial(SIP/${EXTEN:1}@out,60
include => default