IPPBX IP2G4A User Manual
~ 39 ~ ATCOM TECHNOLOGY CO., LIMITED
7. Make outbound/inbound calls to/from GSM network
GSM module is a special FXO module, and can be installed and used in the same way. However GSM
Trunk is only supported by IP2G4A and IP4G.
7.1 Make sure GSM modules are installed
If There are GSM modules installed in your IPPBX,IPPBX configures GSM Trunk automatically when they
are detected.