A Secret Service unit set out to unmask the layers of burner phones, changing phone numbers and SIM cards that were swatting American officials. It ended with the largest seizure of SIM servers and cards they’ve ever seen.
They also have up to 200-card SIM banks, but for those you’ll need another server that does the call routing/ management (i.e. the GSM gateway server linked).
https://polygator.com/voip-gsm-gateways/polygator-k32.html
They also have up to 200-card SIM banks, but for those you’ll need another server that does the call routing/ management (i.e. the GSM gateway server linked).