What are the sane SIP VOIP Gate providers in Russia for organizations?

Question

SIP

We need reliability and sane tariffs,
correct authorization by IP, and not like go2baza.
In short, you need a reliable b2b service.
Don't suggest mango, sipnet, and so on.
There used to be sipgate, who was left alive?
Interested in outgoing calls.

Answer 1

MTT.
If you need a local number outside of cities with a population of over one million, then TTK or RCom.