8M083X25 R14
APX Series P25 Interface
DVRS Installation & Programming Guide
–
PART II
January 2019
Page 100 of 153
MSU ISSI Roaming
The NGI (New Generation Interoperability) feature and DVR feature will be allowed such
that a DVR MSU enabled subscriber may also be enabled for InterWACN-Roaming in the
subscriber codeplug. When the MSU roams to a foreign System t
he DVR will display “VR
Limited” to indicate to the user the limited functionality available.
When the MSU has roamed to the foreign system, the following features are not
supported by the local PSU.
•
Private Call
•
Telephone Interconnect
•
Call Alert
•
Dynamic Regrouging
•
Radio Check
•
Multisystem Scan
•
Selector Lock
•
Status
•
Message
•
Remote Monitor
•
Reprogram Request
Unsupported PSU Features
The following PSU features are not presently supported by the DVRS or DVRS Enabled
PSUs:
•
Evac Tone
•
Hearclear
•
DTMF Hot Keypad
•
Securenet
•
Soft ID
•
QCII
•
Singletone
•
Conventional OTAR
•
Authentication Demand packets
•
Over-the-Air-Channel Reassignment (OTACR)
•
Over-the-Air Channel Steering (OTACS)
•
Over-the-Air-Programming (OTAP)
•
PSU Scan
•
Priority Channel PTT
•
PSU Reprogram request / Selector Lock
•
PSU Announcement Group operation
•
PSU Phase II P25 conventional operation
