I've uploaded a csv file that is almost identical to what is provided in the help menu in the high-volume sms app, and it keeps saying "invalid csv". What gives?
As it turns out the High Volume SMS CSV upload for a campaign message send expects a DOS formatted CSV. AKA "\r\n" or carriage returns only. This can be seen in the JS of the app at time of writing:
So essentially CSV imports are broken on any system except windows.
Unless you run the `unix2dos` command on your CSV prior to import. Which is what worked for me.
So it's bug that should be fixed.
Please see below if following reference helps:
Using the RingCentral Phone for Desktop, you can dial or receive test calls, send and receive test SMS or Fax messages in your sandbox environment.
Download RingCentral Phone for Desktop:
Tip: switch to the "sandbox mode" before logging in the app:
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