exten => 3526,1,SetVar(DIAL_DEST[1]=SIP/0004f201e3a7-a)
exten => 3526,2,SetVar(DIAL_DEST[2]=SIP/0004f201e3a7-b)
exten => 3526,3,Macro(std-exten)

exten => 3527,1,SetVar(DIAL_DEST[1]=SIP/0004f201e380-b&SIP/0004f20189de-b)
exten => 3527,2,SetVar(DIAL_DEST[2]=SIP/0004f201e380-c&SIP/0004f20189de-c)
exten => 3527,3,SetVar(FAX_DEST=smack@stirling.com)
exten => 3527,4,Macro(std-exten)