200 Matrix ETERNITY NE System Manual
At each power on, the mobile port will automatically locate and register with the Network that supports
the SIM card present in it. If the Mobile port fails to register, it will restart the process of network
selection on the expiry of the Network Registration Retry Timer and will make as many attempts to
register as configured in the Network Registration Retry Count.
Manual Network Selection mode may be enabled when there is more than one network operator in
available in the area
59
, so as to prevent the SIM card from registering with another available network
and resulting in 'Roaming' charges.
• Select the Network Preferred Mode for the mobile port as Dual, GSM or UMTS. Default: Dual Mode.
• If you have enabled Manual network selection mode, configure the table Priority for Manual Network
Selection.
In this table, enter the Network Operator Codes (MCC-MNC)
60
in the order of priority for the Mobile
Port. The codes must not exceed 8 digits. You can store up to 9 Network Operator Codes in the order
of priority.
So, whenever you register with the network manually, the system will select the Network Operator that
matches in order of priority. If the Mobile port fails to register, it will restart the process of network
selection on the expiry of the Network Registration Retry Timer.
If no match is found, the Mobile port (SIM) will not get registered with any of the available network
operators and no calls can be made or received on this port.
• When you change the Network Selection Mode to ‘Manual’ and the Network Operator Code manually,
the change you made will not come into effect until you have restarted the system.
DSS Key Interface
1. Click [+] DSS Key Interface to expand options.
This parameter determines what the system should do when an external called party in speech on this
trunk is put on Hold by a DKP extension user by pressing a DSS key to dial another port.
For example, the DKP extension user on DKP1 port is in the middle of speech with an external party on a
Mobile 1. If the extension user of DKP1 presses a DSS key to call another extension port, DKP2, two
situations are possible, depending on the DSS Key Interface you configure:
59. This may be the case in border areas.
60. The Network Operator Code comprises of the Mobile Country Code (MCC) appended by the Mobile Network Code (MNC). The
MCC is usually a 3-digit code that identifies a country. A single country may be assigned more than one MCC. For example the
MCC assigned to India is 404, but same code applies to all network operators in the country.
The MNC is usually a 2/3-digit code. The MCC-MNC combination uniquely identifies the home network of the mobile terminal or
the mobile user. For example, AirTel, a GSM network operator in India, has different MNC assigned to its networks in various
states. The MNC for AirTel in the state of Maharashtra is 90, while the same for the state of Gujarat is 98.
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