I have a problem with my UC540, below is my network diagram:
I have successfully configured UC540, incoming and outgoing call working perfect, but when I changed IP address on UC540's F0/0 which connected directly to 887VA then incoming call stop working??? outgoing call still work fine.
Example: I change F0/0 on UC540 from 192.168.1.200/24 to 192.168.1.201/24 then incoming call dead, if I change F0/0 ip back to 192.168.1.200/24 then incoming call work normal
Note: after int F0/0 has a new ip address, I have to restart the unit or it took long time for incoming call to work as normal.
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