The choice of telephony for the sales department!?

Question

Telephony

We are opening a branch in Yekaterinburg, we need telephony for outgoing calls throughout Russia! Volume: 3000 minutes, the first couple of months one operator, later 3-5 people. The main office works on corporate SIM cards of a megaphone, 2000 in 5000 minutes! Looking for alternatives! Thanks to everyone who answers!

Answer 1

You can look in this direction https://youmagic.pro/