PLANET UMG-1000 - Manual (Page 117)

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.Server Address：Input the UMG-1000 IP Address, EX.172.16.0.75
.Password：Same as the UMG-1000 Extension number, Ex. 5003
.Phone number：Input the UMG-1000 Extension number, Ex. 5003
(3)Press the “Apply” to apply the setting, then if success to register on UMG-1000.
The “Register Status” will show the “Registered”.
Also, you can see the UMG-1000 Web-UI “PBX VoIP” page, there is show the 5003
Extension is work and Registered.