VGW-series Gateway. Please check the SIP Trunk configuration. It might be
configured to option mode at "1 stage dialing".
4.
When VOIP call is failed to be called out such as register fail (this means
registration to proxy accounts are all failure, but not include SIP TRUNK number) or
network issue, the call will be routed to FXO as backup.
5.
When VGW-400 Series is malfunction, IP network disconnection or power is failure,
all calls will be directly bypassed to FXO automatically.
Item
PabxMode
Explanation
Enable or Disable PABX mode, default is "Enable".
32
Internet Telephony Gateway
VGW-400 Series