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Step 2:
Set up the Provider Host in TD100-B
Set up the service provider and calling rule in TD100-B to make it register to TD100-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 TD100-B
Use the same method as Step 1 to do port forwarding in router-B for TD100-B as above.
Setp4:
Combine two TD100 and make calls
Accordingly, set the 601 users in TD100-A and 801 users in TD100-B, and build the
correct dial rules as above, you can make calls between two the TD100 IP PBX.
Note:
You can also apply a DDNS to get one fixed domain for both TD100 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:
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Advance
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Options
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Global SIP Settings
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NAT Support
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