IPPBX IP2G4A User Manual
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ATCOM TECHNOLOGY CO., LIMITED
8.7.2 SIP trunk to GSM/FXO trunk
1. Set outbound route for GSM trunk.
2. Set Inbound route for SIP trunk/Service Provider. Since service provider is more flexible, here we use Service
Provider as an example
Destination
Choose the proper GSM trunk
Number
Set a number on the other end of GSM trunk. it can be blank, then it means the number caller dialed.
3. Dial into IPPBX from GSM trunk, e.g. 83018618, then IPPBX will dial that number through GSM trunk
selected in GSM outbound route.