1 - Can you tell me how this new version works?
A modem is connected to a computer USB port, modem in which you insert a sim card which allows you to send your sms as with your telephone but in bulk sending.
2 - If I'm not interested, how do I go back to the old one that worked the last time I used it?
By selecting the sending mode in the parameter menu of ditel sms.
3 - And if I am interested, what should I pay and buy to upgrade my old version?
130 euros excl. tax (price of the modem) + postage if you have subscribed to the 2020 maintenance
130 euros excl. tax (price of the modem) + 65 euros + postage if you have not subscribed to the 2020 maintenance
