Someone

[general]
static=yes
writeprotect=no
autofallthrough=yes
clearglobalvars=no
priorityjumping=no

[globals]

[inbound]
exten => s,1,NoOp(Inbound Call CallerID: ${CALLERID(all)})
exten => s,n,Answer(SIP/gs486)

exten => s,n,Dial(SIP/gs486,20)
exten => s,n,Hangup()
exten => 1001005555,1,Goto(inbound,s,1)

[default]
exten => _9.,1,Dial(SIP/${EXTEN:1}@budgetphone-out,30,r)
exten => _8.,1,Dial(SIP/${EXTEN:1}@sipgate-out,30,r)
exten => _7.,1,Dial(SIP/${EXTEN:1}@eutelia-out,30,r)
exten => _6.,1,Dial(SIP/${EXTEN:1}@freecall-out,30,r)
exten => 1000,1,Dial(SIP/gs486)

[from-budgetphone]
exten => 3124711XXXX,1,Answer(SIP/gs486)
exten => 3124711XXXX,2,Dial(SIP/gs486)

[from-eutelia]
exten => 069929XXXX,1,Answer(SIP/gs486)
exten => 069929XXXX,2,Dial(SIP/gs486)

[from-sipgate]
exten => 01801666626XXXX,1,Answer
exten => 01801666626XXXX,2,Dial(SIP/gs486)