Ključna beseda enables an interactive SMS communication with users. It is a request for information or services.
A user initiates a two-way interaction via SMS message with a key word, which represents identification of the requested service.
Ključna beseda can be used for commercial and informative purposes. Return SMS messages (incoming for the user)
can be premium (090 numbers) or non-premium.
Communication initiated by a key word, can be terminated by a reply or extended into an »SMS dialogue«.