Cannot make SMS quick start example work, please help!

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Minh Vuong asked Apr 30, '21 Becky-Community_Manager edited Aug 4, '21

Cannot make SMS quick start example work, please help!

I tried to follow instruction in https://developers.ringcentral.com/guide/messaging/quick-start#c# using my sandbox credential number +13133982564. However, I cannot go pass the Autorize code:

restClient.Authorize(RINGCENTRAL_USERNAME, RINGCENTRAL_EXTENSION, RINGCENTRAL_PASSWORD).Wait();

I got the error: "StatusCode: 400, ReasonPhrase: 'Bad Request', Version: 1.1, Content: System.Net.Http.StreamContent, Headers: ...".

Could anyone give me some advice on this?

getting started

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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

Answer 1 · 2021-04-30T15:45:37Z

Phong Vu answered Apr 30, '21

I see you have 2 test apps, one of that is your own creation and the other one created by the quick start template. The one you created is incorrect type for the quick start code.

Double check the app client id and client secret you are using in your code. You must use the client id and client secret of the "SMS Quick Start App" app.

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Answer 2 · 2021-05-05T18:55:09Z

Minh Vuong answered May 5, '21 Phong Vu commented May 5, '21

Thanks Phong, I have removed the incorrect type app and used the client id/secret from the quick start template. I tested with Australian number and got error "MSG-240" saying "International SMS is not available for account". Do I need to upgrade my account?

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Phong Vu ♦♦ commented · May 05, 2021 at 07:48 PM

Sandbox account does not support international call, nor international SMS. If you just want to test SMS API call, you can login your sandbox service web, add a new user with a new direct number, you can then send SMS message from one users phone number to another user's phone number.

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