The 0700 Non Toll free and 0800 Toll free services are the cheapest means of creating awareness for you company, business, product & services.
Consider that the cost for an annual subscription is N26,500 per line per year. Compare this to a newspaper advert at the cost of about N750,000 per page per year or single radio jingle at N50,000 per 60 seconds slot, or an advert on television at over N1,000,000 for a 60 seconds slot or even bill boards.
If you calculate the cost of creating awareness for 1 year on these other platforms, its savings are not comparable at all. Even then, one SMAT number service complements adverts on these other platforms because it is easier to remember a name than numeric phone numbers.