9
1) Configure a Port->IP route on XT-800FXO Gateway, choose PSTN trunk in
the field “Call Source”, and choose the SPS trunk in the field “Call
Destination”.
2) Create one inbound route on your SIP server and select the SIP trunk created
just now.
3) When an incoming call reaches PSTN trunk on XT-800FXO Gateway, You
will hear a dial tone, then dial an extension number of the SIP Server, it will
be routed to the destination of the SIP server inbound route.
Note:
if you want the call to go directly to the destination number of your SIP
server, you don’t have to create an inbound route on SIP server, instead set a
Hotline
number on XT-800FXO Gateway route.
Figure 2-2
Connect IP PBX and XT-800FXO Gateway
For incoming calls from the PSTN to XT-800FXO Gateway, XT-800FXO Gateway will
forward the call to a configured SIP extension or to an inbound destination of IP PBX
like IVR.
Connect XT-800FXO Gateway and FXS Gateway
XT-800FXO Gateway can be connected to a FXS Gateway using SPS/SPX Mode.
Imagine this, the FXO gateway is set up in Site A, and the FXS gateway in Site B.
People in Site B can make and receive calls using the local PSTN lines (which is
connnected to Site
A’s provoider). With this solution, you can call a local number
using a local PSTN line wherever you are.