ZX50 Series IP PBX
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Step 1:
Set port forwarding in the router for ZX50-A
For the ZX50-A is behind the router, you need forward the IAX2 port in your router, so all
the packets received on the router WAN port (210.11.25.127:4569) will be forwarded to
the ZX50-A (192.168.1.21:4569). Below is the setting page in a linksys router:
Step 2:
Set up the Provider Host in ZX50-B
Set up the service provider and calling rule in ZX50-B to make it register to ZX50-A. This
method is almost the same as above, EXCEPT you need to use the 210.11.25.127 as the
service provider instead of 192.168.1.21.
Step 3:
Set port forwarding in the router for ZX50-B
Use the same method as Step 1 to do port forwarding in router-B for ZX50-B as above.
Setp4:
Combine two ZX50 and make calls
Accordingly, set the 601 users in ZX50-A and 801 users in ZX50-B, and build the correct
dial rules as above, you can make calls between two the ZX50 IP PBX.
Note:
You can also apply a DDNS to get one fixed domain for both ZX50 IP PBX and
connect to each other rather than using the Port Forwarding in the router.
7.4 How to resolve problems about hearing on one side only
If your IP PBX is behind the Router, you should build an IP Address Map to resolve this
problem as below:
