Deletes a value from the AstDB. Upon completion, the variable DB_RESULT is set to this value, if it exists.
; delete cidnums/4045559814:
exten => 123,1,Set(ignored=${DB_DELETE(cidnums/4045559814)})


For versions prior to Asterisk 1.4, use the application DBdel().


Internal help for this application in Asterisk 1.4:
  -= Info about function 'DB_DELETE' =- 


Return a value from the database and delete it

This function will retrieve a value from the Asterisk database
 and then remove that key from the database.  DB_RESULT
will be set to the key's value if it exists.
diff output to internal help in Asterisk 1.2:
-- not available in Version 1.2 --