What is a short message channel?

Short message channel is a short message sending interface directly provided by operators such as China Mobile, China Unicom and China Telecom, which realizes the purpose of batch sending and customized sending of short messages with the number specified by customers. Therefore, the backbone of the domestic short message channel market consists of China Mobile, China Unicom and China Telecom. At present, the largest domestic market share is China Mobile, with a market share of 65%-70%, occupying the mainstream of the domestic wireless business market.