FusionPBX Routing outbound calls to user extension

thank you for your answer my problem that I have a gateway linksys spa-2000 it is configure as user in fusionpbx under number 999 I want when I call for example the number gsm 22100200 will be transmitted to number 999 because it is connected to pstn in linksys spa-200

you can see the pictures attached





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fusionpbx3.png