Recent Articles
Verizon SIM cards for older MultiTech devices
This information is only relevant for older MultiTech devices and firmwares. Firmware versions at or above 5.2.1 can ignore this guidance. This is for the following devices: MTR-LAT1-B07-US GSM (AT&T, T-Mobile, and compatible) MTR-LVW2-B07-US CDMA ...
Email failures with Google due to "invalid_grant" with "Token has been expired or revoked."
If TopView is configured to email notifications with Google, you may receive email failures with an "invalid_grant" error message. The error may carry the description: "Token has been expired or revoked." This can have a few causes: The token got ...
Active outgoing voice call "stuck"
This article provides information for users experiencing that phone calls from TopView not progressing. Versions affected: 7.2 and earlier Patch: available for v7.2 on the TopView 7.2 download page Symptoms Outgoing calls are not being received ...
How to improve MultiTech rCell modem performance (SMS)
This article provides information for users experiencing performance issues with the MultiTech rCell modem used for TopView SMS notification. Symptoms The user cannot log into the modem web UI When logging into the modem web UI, the screens are slow ...
Issue: Incoming SMS message with no sender (MultiTech rCell modem)
This issue can potentially affect TopView v7.2 and earlier users who implement SMS notification using the MultiTech rCell 100 modem. This issue is only related to incoming SMS messages (e.g. alarm acknowledge). Background When TopView pulls incoming ...