Recent Articles
TopView - lost connection to Gmail account (Sign in with Google)
The following article is for TopView customers using a Gmail account to send/receive Email where authorization to the Gmail account was configured using "Sign in with Google" from the TopView Configurator > Email-SMS Notification > Outgoing Email. ...
Grandstream: Incoming call not routed to TopView
This KB assumes that you have correctly configured TopView the Grandstream for incoming calls. See the Grandstream configuration document for more information. Verify that there is only one TopView softphone listening on the extension The Grandstream ...
Verifying that the Yeastar TG200 has LTE radios
The Yeastar TG200 has 2 cellular radios. These cellular radios can be activated by inserting a SIM card into either of the 2 SIM slots on the front of the device. Older TG200 models are 3G and do not support newer GSM LTE SIMs (AT&T, T-Mobile, ...). ...
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 ...