IP0120/IP0121 User Manual
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calls. But the “Proxy On” flag is “No”, i.e. the IP Phone not need to register.
In this case, can call the IP address of other IP Phone directly.
(c). When the IP Phone is configured to use a gatekeeper or proxy server, but not
yet registered successfully or failed, the LCD screen will display the
following message:
Registering (number)
Date Time
When the “Registering” message displayed, the IP phone can not make
any calls now. But the menu selection and the on-hook / off-hook function
can work OK.
(d). When the IP Phone is 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 followings:
(1). Duplicate: 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
happened when the IP Phone is powered off instead of restarted from
the menu item). If the previous registration information is not cleared,
may need to wait about 4 minutes to let IP Phone register successfully
again.
(2). Security: means that the account (username / password / H.323 ID) is
not correct, please check your account again.
When the RegFail message displayed, the IP phone can not make any
calls now. But the menu selection and the on-hook / off-hook function can
work OK.
(e). When the IP Phone is failed in registering to a H.323 gatekeeper or SIP
proxy server, the LCD screen will display the following message :