How did the sp advertisement in the SMS Alliance come from?

Sp advertising is provided by cp, which is the content provider and sp is the service provider. Usually SP has access channels of telecom operators to provide services for users, while cp provides content for SP. Due to the close combination of content and service, in fact, SP often has its own content, and CP also has its own channels. Here CP is defined as the content provider of SP service, and SP is a service provider with mobile access resources. Mobile is the operator of network and charging channel, and advertising is the result of their cooperation.

SP, service provider, service provider,

Content providers, content providers,

To be an sp short message alliance, you can go to the forum where I earn money.