I need to learn how I can set the Save PIN and Cancel PIN option with A2billing and FreePBX Asterisk server for my calling card service.
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Hello, I can see that you have posted your multiple projects. Can you please explain me if Save Pin and CAncel pin Option is what I am thinking. Please explain me and I can really do it. Regards,
This option is possible to add by changing the configuration files. To use it you need a number that provide the info about calling person that will be used to link its number and the pin.