Issue Description
Network situation: operation network, GK is on public network, some private network link to the Internet via firewall, in the same private network, install videophone A,B,C in the same HUB. A,B can be used normally, but C cannot be registered on GK, it says fail to register.
Handling Process
1. According to the description, exclude the fault of firewall.
2. Ensure parameter configuration, number and hardware link are right.
3. Install openeye by PC, configure it as videophone C. It can be registered and used. So the network is good.
4. Change the position of B and C, then C is good and B is in trouble. So the problem is the port and cable of HUB.
5. Replace the network cable and the problem is solved.
Root Cause
1. The configuration information of network and register is wrong.
2. The number in the system is not enabled.
3. The hardware and network cable are connected wrongly.
4. The fault of network.
5. The software version of videophone is not right.
6. The videophone is in trouble.
7. The problem of firewall congfiguration.
Suggestions
There are many reasons that videophone is failed. Take care of some details, such as configuration, hardware and so on.
