Essaye en faisant :

Code:
exten => s,1,Goto(ton-contexte,${CUT(CUT(SIP_HEADER(To),@,1),:,2)},1)

exten => 0033366XXXX82,1,Wait(1)
exten => 0033366XXXX82,2,Answer
exten => 0033366XXXX82,3,Dial(SIP/400)
exten => 0033366XXXX82,4,Hangup()

exten => 0033366XXXX29,1,Wait(1)
exten => 0033366XXXX29,2,Answer
exten => 0033366XXXX29,3,Dial(SIP/415)
exten => 0033366XXXX29,4,Hangup()