How can you analyze and decrypt DTFM codes in telephony?

Question

Telephony

The customer wants to purchase a multichannel number.
The customer is the settlement center for housing and communal services.
Users must call the number, and with the help of tone keystrokes, transmit the readings of all kinds of counters.
How is this technology implemented? Programmatically? Hardware?
The VoIP server is MKD Proteus.

Answer 1

After reading the documentation for this shit , Proey realized that there was no way, but in general they seem to have support.
I would take Asterisk as a server - this is definitely possible on it .

Answer 2

Here is the pain. Argentina - Jamaica, 15:0.
Why this bike, the 21st century is in the yard, why not do voice recognition right away?
Make a web page with authorization, let everyone create an account for themselves and transfer data.
Argumen - the customer wants - this is not an argument. The specialist will always explain and provide the best solution based on the TOR.