Business Model - GSM Termination

Minimizing risk of SIM blocking

• Using CallerID Whitelist to only allow know good numbers to dial-out. That way minimizing the risk that Mobile operators will find out about SIM cards used for GSM Termination.
• Blacklisting numbers which behave in suspect manner
• Placing GSM gateways in the populated areas: supermarket, stadium, etc
• http://www.stop-track.net/topic/index-en.html

Anti-SIM blocking services

• http://www.simprotection.com/

See also

• VoIP GSM gateways and SIM banks