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If the phone is powered from PoE, ensure you use a PoE compliant switch or hub, or
contact your system administrator for more information.
Check that the power LED is on to ensure the phone is powered on.
Do one of the following:
Ensure that the Ethernet cable is plugged into the Internet port o the phone and the
Ethernet cable is not loose.
Ensure that the switch or hub in your network is operational.
Contact your system administrator for more information.
The phone LCD screen prompts “No Service” message and the event indicator LED fast
flashes green when there is no available SIP account on the IP phone.
Do one of the following:
Confirm if any account is actively registered on the IP phone at the path
Menu->Status->Accounts.
Check if the SIP parameters of the account have been set up correctly.
Both user name and register name are defined in the SIP server. A user name is used to
identify the account, while a register name and a password are used for authentication
required by the SIP server. Display name is the caller ID that will be displayed on the
callee’s phone LCD screen. Some server configuration may override the local
configuration.
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Check for any loose connections and that the phone has been installed properly. For the
installation instructions, refer to the Installation Guide of Yealink VP530 IP video phones.
Check whether dial tone is present on one of the audio modes:
Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to
check whether dial tone is present on one of the audio modes.
If the dial tone exists on another audio mode, connect a different handset or
headset to isolate the problem.
