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M20X Series Wireless Gateways User Manual
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You can choose different bands in the options.
Figure 3-1-3 Band binding
If you have set your Pin Code, you can check on like this:
Figure 3-1-4 PIN Code Application
Then enter the password and the system will recognize the number of the SIM card.
It can help you prevent the SIM card from being stolen and increase the safety factor.
If you want to hide your number when you call out, you can just switch CLIR “ON” (Of
course you need your operator’s support).
Figure 3-1-5 CLIR Application
OpenVox GSM/3G Gateway supports optional GSM voice codec. For more details,
you can see the picture below
：
Figure 3-1-6 GSM Voice Codec
