TXTCIDName( )
Looks up a caller's name from a DNS TXT record
TXTCIDName(CallerID)
Looks up a caller's name via DNS and sets the variable ${TXTCIDNAME}. TXTCIDNAME will either be blank or return the value found in the TXT record in DNS. This application looks up the number via the ENUM sources listed in enum.conf.
exten => 123,1,TXTCIDName(8662331454)
exten => 123,2,SayAlpha(${TXTCIDNAME})
exten => 123,3,Playback(vm-goodbye)