question

travis-carona1490 avatar image
travis-carona1490 asked benjamin-dean answered

Error MSG-304

Sorry to bring this one back, but it was never resolved, and I think there was some confusion that it was actually closed.


https://devcommunity.ringcentral.com/ringcentraldev/topics/send-sms-error-msg-304?utm_source=notific...


I was asked to enter in my headers and request it is posted toward the bottom.


Thanks again!

errors
1 |1500 characters needed characters left characters exceeded

Up to 8 attachments (including images) can be used with a maximum of 1.0 MiB each and 10.0 MiB total.

1 Answer

benjamin-dean avatar image
benjamin-dean answered
I re-opened your original inquiry. Closing this duplicate.
1 |1500 characters needed characters left characters exceeded

Up to 8 attachments (including images) can be used with a maximum of 1.0 MiB each and 10.0 MiB total.

Developer sandbox tools

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:

  • On MacOS: press "fn + command + f2" keys
  • On Windows: press "Ctrl + F2" keys