What are the SIP operators with the substitution of the number for the barrier?

Question

SIP

Good afternoon!
Please tell me, do you know any good SIP providers with the ability to change the number for barriers? Naturally, I googled, only found two more or less normal ones, but I can’t write with one of them (for some reason they don’t get in touch).

Answer 1

If it's legal, then the best option is SIPNET. Take the number of the owner of the barrier (naturally, he must agree or you must do everything imperceptibly) and confirm the number in the service. After that, it is set as CallerID (well, you'll figure it out there).
If illegal, then black-wolf.tech, yes, yes, there are difficulties with technical support and account activation.

Answer 2

You don't have to fake a number.
Rent the cheapest VATS and a number in the DEF code.
From this number in the DEF code in the VATS, set forwarding to the number of the barrier.
Transfer the DEF number to the company servicing the barrier as a new Man number.
Both you and the man call DEF to open the barrier, the call is forwarded to the barrier, it opens.
There is a minus - any ringing on DEF will open the barrier.