The Shenzhen Human Resources and Social Security Bureau sent a message saying that it had received help and the phone remained open. What does that mean?

The Shenzhen Human Resources and Social Security Bureau sent a message that it had received help, and keeping the phone open meant that it could be found at any time. Relevant public information shows that the Human Resources and Social Security Bureau is the Human Resources Management and Social Security Bureau, and human resources management is to deal with, arrange and manage the employment and unemployment of social people accordingly.