question

Aswathy TD avatar image
Aswathy TD asked Phong Vu answered

Issue with Standard SMS feature

We have enabled the High volume SMS feature for sandbox and production numbers .as the result standard SMS feature was not working anymore for messages, so we need to switch back to low volume SMS feature, we rise a ticket about this issue on this portal"https://developers.ringcentral.com/support/create-case", and now the case was closed, standard SMS feature is now working only for sandbox account in production has still issue

it shows errors like this

{

"errorCode" : "FeatureNotAvailable",

"message" : "Phone number doesn't belong to extension",

"errors" : [ {

"errorCode" : "MSG-304",

"message" : "Phone number doesn't belong to extension"

}

in production, is number switchback not working or any other issues

sending sms
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1 Answer

Phong Vu avatar image
Phong Vu answered

You need to check which user extension owns the phone number. Only that user extension can login your app and send SMS messages. The cause of the problem is clear in the error message "Phone number doesn't belong to extension"

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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