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AIM, DAIM and Any Networks features are mutually exclusive.
This is a selling feature.
Dynamic Air Interface Migration
The Dynamic Air Interface Migration feature offers users a quick and easy way to switch between networks.
Depending on that setting, every time a radio is powered up or a talkgroup is changed, it automatically roams to the
assigned network. If a talkgroup has no particular network assigned, the radio stays on the current network.
This feature consist of these major functionalities:
•
It allows your radio to dynamically select the appropriate network after your radio is powered up.
•
If you change talkgroup to the one from a different network, radio automatically migrates to this network (in this
feature it is possible to assign network to particular talkgroup in the codeplug). It gives you an option to
automatically migrate to a network which is available in the region (network needs to be first pre-configured in the
codeplug). It is useful in case of loosing signal from dynamically selected network as the radio attempts to
establish communication with any available network.
This feature is useful where quick switching between networks is required, for example when entering a building that
uses its own infrastructure.
When DAIM feature is enabled the user has these selectable options:
Migrate to
In this mode the radio user selects the network manually. Once network is selected terminal performs migration as
to the foreign SwMI. If you change talkgroup to the one from a different network, radio automatically migrates to
this network.
Auto
In this mode the radio selects the network automatically.
After migrating the radio is in the Clear Mode. AIM, DAIM and Any Networks features are mutually exclusive.
Any Networks
This feature allows to use the radio on any network that was pre-configured in that radio, like it was its Home
network. This is useful when the radio loses its Home network coverage, but is within coverage of another network
(for example, if a radio travels between different locations). Note that calls between networks are not possible.
Note: Air Interface Encryption services are not available when roaming to a different (not Home) network.
Dynamic Air Interface Migration and Any Networks features are mutually exclusive.
This is a selling feature.
Congested Cell Handling
This feature is used only during initial registration and when roaming between sites. It is not used when camped on a
site that has become busy or congested due to no free traffic channel to make or receive calls.
When the cell that the terminal is trying to register is congested, a special level-based algorithm is in the place.
Depending on the level of congestion the terminal is waiting for the registration or is rejected on that cell.
The terminal recognizes whether the cell is congested (Control Channel Congestion). The terminal tries to roam to not
congested cells first, ranking congested ones as secondary. The cell congestion is one of the service level criteria.
The following cells are never marked as congested.
•
Last suitable cell — if there are no other suitable cells (during roaming or initial cell selection).
•
Serving cell.
Services and Features | 41
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