This value is added to the PSU
MDC ID while proxying a call to a
P25 Trunking system. This allows
a set of local PSU IDs that have a
smaller range than the system to
be shifted into the valid range of
system IDs.
For example, an offset of 100 000
+ PSU ID 1 means the ID sent to
the MSU would be 100 001. The
offset can also be used to
decrease ID values received from
the System. For example, with an
offset of 100 000, when an ID
comes in from the system as 100
002, an ID of 2 is sent to the PSU.
1. Mobile Radio Channel
Setup → PTT ID field
should be set to Disabled
so that the MSU IDs will
always be used for the
following scenarios:
• when PSUs have
different MDC PTT ID
Offset values (from 2
different agencies)
• when the system has
the smaller range of
IDs compared to the
range of local PSU IDs
2. PSU MDC IDs are
limited up to 0xFFFE. If an
outbound call is received
with an ID above the MDC
ID limit, the VR will send
an ID of 1 to the PSU.
Enables (checked) or Disables
(unchecked) the PSU Voice
takeover when the MSU is
receiving an outbound call.
Enables (checked) or Disables
(unchecked) the PSU Signaling
takeover when the MSU is
receiving an outbound call.
Enables (checked) or Disables
(unchecked) the PSU call to be
upgraded from Local to System
when the MSU is no longer
receiving an outbound call and can
transmit to the FNE.
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