incoming calls. If the “Proxy On” flag is “No”, then the IP Phone does not need to register. In this case, you can call the IP address of another IP Phone directly.
(c). When the IP Phone is configured to use a gatekeeper or proxy server, but has not yet registered successfully or failed, the LCD screen will display the following message:
Registering (number)
Date Time
When the “Registering” message is displayed, the IP phone can not make any calls. The menu selection and the
(d). If the IP Phone failed in registering to a H.323 gatekeeper or SIP proxy server, the LCD screen will display the following message:
RegFail (failed message)
Date Time
The failed message could be one of the following:
(1). Duplicate: this means that the registering number is duplicated with others, or the IP Phone’s previous registration information is still kept in the gatekeeper/proxy server if not unregistered last time (this could happen when the IP Phone is powered off instead of restarted from the menu item). If the previous registration information is not cleared, you may need to wait about 4 minutes to let the IP Phone register successfully again.
(2). Security : this means that the account (username / password / H.323 ID) is not correct, please check your account again.
When the RegFail message is displayed, the IP phone can not make any calls. The menu selection and the
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