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3.6 Intercommunication between two IPXX
Introduce:
This application note shows how to link two IP04 in different location. With this function, we
can link branches together with IP04. Same method can be used when connect more than 2
IP04 in different branches.
3.6.1 Link two IP04s in the same network
The simplest case to link two IPxx together is in the same network. We start from this and
then try to expand to different network. We use IP04 here, same method for other IPXXs
products.
Below is the structure of how to link two IP04s in the same LAN:
The method of connecting two IP04s in different location is: 1) register the IP04A as an
extension in IP04B(via IAX2 trunk) so the extensions in IP04A can make calls to IP04B’s
extensions via this “special” trunk. 2) use the reverse method in IP04B to register to IP04A.
In above structure:
1) AT-530A registers to IP04A as an extension 6001.
2) AT-530B registers to IP04B as an extension 5001.
3) All the extensions under IP04A are in the format 6XXX.
4) All the extensions under IP04B are in the format 5XXX
5) Extensions under IP04A can make calls to extension under IP04B use format 5XXX.
6) Extensions under IP04B can make calls to extension under IP04A use format 6XXX.
7) The two IP04 links each other via IAX2 trunk.
Step 1: Set up a extension 6005 in IP04A
Extension: 6005 ; Phone number of this extension
Name: User_IP04B ;
Password: 6005 ;IAX2 Log on password
Caller ID: 6005 ; Caller ID
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