How can I raise the upper limit of SMS sending?

It is necessary to fill in the responsibility book of spam message management (cooperative communication account), affix the official seal of the company and fax it to the base customer service fax 057 185427633, and complete the operation within 2 working days. Broadband on demand, fast thinking. The official account of China Telecom's Guizhou customer service WeChat can directly handle the keyword "Broadband on demand", which is convenient and fast. Customer service 222 will answer your questions.