exten => 3425,1,Set(DIAL_DEST=SIP/0004f201e6a3-a)
exten => 3425,n,Set(CFBL_DEST=SIP/0004f201e6a3-b)
exten => 3425,n,Set(FAX_DEST=anguyen@stirling.com)
exten => 3425,n,Macro(std-exten-v2)