[default] exten => _X.,1,Ringing exten => _X.,n,Goto(from-trunk,${SIP_HEADER(X-anveo-e164)},1) [from-trunk] exten => 15144182449,1,NoOp(From Anveo ${EXTEN}) exten => 15144182449,n,Ringing exten => 15144182449,n,Wait(2) exten => 15144182449,n,Answer() exten => 15144182449,n,Background(abandon-all-hope)