Flying Voice Technology ip622 - 8 Trouble Shooting; No Operation after Power on; Long Time Stop at Initializing Network; No Dial Tone

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8 Trouble Shooting
This section provides solutions to problems that can occur during the installation and operation of the IP phone. Read the following
descriptions if you are having problems.
8.1 No Operation after Power On
Solution:
Check if the power adapter is properly connected.
If applicable, check if the PoE (Power over Ethernet) switch behind the IP phone is set correctly.
8.2 Long Time Stop at “Initializing Network”
Solution:
Check if the Ethernet cable is properly connected.
Check if the DHCP server is working normally.
Check if the connection between the DHCP Server and IP622 is properly connected.
8.3 No Dial Tone
Solution:
Check if the handset cord is properly connected.
8.4 Can not Make a Call
Solution:
Check the status of your SIP registration status or contact your administrator, supplier, or ITSP for more information or assistance.
8.5 Can not Receive Any Phone Call
Solution: