What are the advantages of using on-hook SMS?

(1), which increases the means of publishing information by fixed telephone, and provides a new channel for publishing information; (2), can meet the needs of enterprise information release, improve the visibility of enterprises; (3) It can bring better economic and social benefits to users; (4) Enterprise self-service, fully displaying enterprise personality; (5) The information dissemination has strong pertinence, accurate audience and good advertising benefits.