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Home / Services / Solution

VOIP Barriers Solution

How to Overcome Sim blocking ?

No one can promise you to stop the blocking sim in termination no sim server and no other.. but with some simple features you can make the operator to block less sim

  • Use multi sim - change the sim in the channel every 4-5 call's
  • Make a delay ( like 30 second ) from call to the next call
  • Make limit of minute per day per sim
  • Make IMEI for every sim- when you change sim – change the IMEI
  • IMEI must be legal IMEI, make sure that you not use IMEI that belong to 3G phone ( like: Iphone) to Gateway with GSM- 2G ( wavcom)
  • Forward the incoming call to IVR ( with music and message in local language )
  • Cell tower – from time to time (NOT too much) need to change the cell tower you using.
  • Human behavior : a. Make call from sim to sim in the gateway, every call must be with deference call duration (ACD ) . b. Make SMS from sim to sim in the gateway. c. Make call to the cellular company IVR.
  • Or Try this software click here