I would like to ask regarding the capabilities of freepbx.
1.Can i create a Raspberry device with 2x usb gsm modem and use them for calling and sms with freepbx?
2.Is it possible to integrate regular phones that we have with rj25 to RPI freepbx and how?
3.Is it possible to use regular rj25 phones and through extentions make calls as from usb gsm modem?
4.Is it possible to make a call to the usb gsm modem number and be directed to specific extention in analog rj25 phone device?
P.S. we have 20phones with rj25 connected to some analog device does not have any rj45 connector just com port for programming.