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19.6
DMO Address Extension
The 2 entries in this sub menu are used to identify the DMO Gateway on which the terminal can
operate. As an example, adjacent regional police forces have their own separate TETRA systems
and are using Gateways. By having the same entries for these fields in all the gateways, subscribers
from both systems are then able to communicate with each other.
19.6.1
MCC
The entry in this field defines the country code for the country in which the gateway is operating.
19.6.2
MNC
The entry in this field defines the system operating (licence number) number obtained from the in
country licensing authority.
19.7
DMO MNI Partnership List
DMO MNI Partnership List.
This is basically an inter-operability table that provides backward compatibility allowing generation
one terminals to talk to generation two (and upwards) terminals. Without this table, call would be
receive only.
The list can contain up to 8 home MNIs that can be used when the terminal is in DMO. The Country
Code entries must be in the range of 0-999.
The Network Code entries must be in the range of 0 -16383.
Gateways that are shared by networks enable terminals to call terminals from another network if the
terminals are in DMO.
Inter-MNI, Intra-MNI: A call is intra-MNI if the MNIs of the calling and called party are the same.
Otherwise it is inter-MNI.
The terminal conducts an inter-MNI call if:
•
The terminal initiates of a call to a foreign MNI
6866588D21-D
Chapter 3 - MTP850 Ex/MTP810 Ex Product Information Manual
Customer Programming Software (CPS)
March 2009
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