3G FWT ETS-8848 User's Manual
Version 2.0
8
Suppose a VoIP call originates from US, which was transferred from US Server
to China Server on VoIP, finally the call will be terminated from internet to 3G
network and to be sent out to the destination answer side.
The sketch for connecting to VoIP gateway
5) The installation for connecting to alarm system for Security
The 3G FWT can substitute the PSTN for connecting to alarm system for
security purpose when PSTN failure or not available.
The sketch for connecting to alarm system
7, Function Setting
