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HMC
Product Manual
44
Release 3.4: May 2010
Locks
Locks
Use Locks to restrict access to specific GSM operators and/or a specific SIM card. When a
lock is defined, the Gateway will only accept calls from an operator or a SIM card that matches
the Lock number.
In addition, use Locks to prevent roaming handover in cases where the Gateway is located
close to county or country borders.
To define a Lock number:
1.
Ensure that:
•
you have obtained the codes from the cellular operator
•
the cellular modules support SIM locks
2.
From the Cellular Cards branch of the HMC navigation pane, click the
Locks
sub-branch.
The Locks screen is displayed.
Figure 40: HMC Cellular Locks Screen
3.
If more than one slot is displayed, select a specific Cellular Card. The Locks screen of
that cellular card is displayed.
4.
Enter:
SIM Lock
Use SIM Locks to avoid using SIM cards other than those whose Mobile Network Code
(MNC) and Mobile Country Code (MCC) values have been entered.
Operator Lock
Use Operator Locks to avoid registration to any network other than the one whose MNC
and MCC values have been entered.
5.
Click
Apply Settings
and wait for
Configuration Saved
to be displayed.
Содержание HG-4000 3U
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