Verizon CDMA Security System Cellular Communicators Frequently Asked Questions

What Is the City ID on Honeywell Total Connect?
The City ID is used by the alarm dealer to create a Total Connect account, and is never used by the end-user. Learn more about the City ID by reading here.
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Will a GSMX4G Work on a VISTA-20P With a 5.2 Revision Chipset?
The Vista-20P version 5.2 supports the GSMX4G as a communicator, and for upload/download, but does not support Total Connect 2.0. Read on to learn more.
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How do I set up GeoFence arming reminders on an iOS device in TC2.0?
GeoFence arming reminders alert when an associated device leaves the designated area, and the system is not armed. Learn to create a GeoFence arming reminder.
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What is the CRC Code For?
The CRC, or cyclical redundancy check, is in place to keep programmers from making typographical errors when activating a communicator. Learn more here!
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Can I Change the Rev Chip on a Vista 21iP?
Honeywell sells a PROM Chip for older versions of the VISTA 21iP that allows these systems to be used with Total Connect 2.0. Learn how to change the VISTA 21iP Rev Chip.
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