ATCOM 5520 User Manual page 50

digit. for example, 4xxx expresses any number with prefix 4 which length is
4 will be forbidden to dialed out . Means matching any arbitrary number
digit. For example, 6. expresses any number with prefix 6 will be forbidden
to dialed out.
User could make some device own IP, which is pre-specified, access to the
MMI of the phone to config and manage the phone.
Add or delete the IP address segments that access to the phone. Set initial IP
address in the Start IP column, Set end IP address in the End IP column, and click
Add to add this IP segment. You can also click Delete to delete the selected IP
segment.
Do not set your visiting IP outside the MMI filter range, otherwise,
you cannot logon through the web.
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