Organize SMS handler?

Question

SMS

There is a USB modem to which employees will send SMS in the form:
1. $ivan will arrive at the office in 20 minutes
2. $petya is ill, Ivan will work instead of me
Where $ivan is the employee's id.
Or process according to the principle - if the SMS is from 89015555555, then this is Ivan. The dispatcher / bosses see that these comrades are late and switch tasks to other employees.
Are there similar solutions? In fact, you need a program that will process the txt file of the modem on cd, but a solution with a web muzzle for collective monitoring is desirable.

Answer 1

Well, there is always a solution. Only for such a task you need - for money - to hire a specialist and explain the essence in more detail.