DBdel() — Deletes a key from the AstDB
Deletes the key specified by
key from the key family named
family in the AstDB.
exten => 123,1,DBput(test/name=John) ; add name to AstDB
exten => 123,2,DBget(NAME=test/name) ; retrieve name from AstDB
exten => 123,3,DBdel(test/name) ; delete from AstDB
This application is deprecated and the functionality has been
replaced with the DB_DELETE() function.