I have an FreePBX 60 with an ISDN card
I want to use a 4G sim card for outgoing calls because my mobile network provider offered me a very good rates.
Does Sangoma has GSM module ?
and how does this work ?
i create a trunk for the GSM module and then selecte it in the outbound route ?
GSM is being retired! Do you mean a 3G, 4G, or 5G device?
Most people use SIP based gateways for this.
See also: GSM/GOIP Gateway for Asterisk (Recommendations/Advice) - Asterisk SIP - Asterisk Community
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