question

Sales Department avatar image
Sales Department asked ·

Error: The requested feature is not available after activating production

Hello, it may be due to the fast there is actually no default extention on the account, but the production credentials lists 101 as a default admin extention, but when trying to login with 101 extention returns invalid login cred error., However logging in with empty extention = '' when calling send sms returns error: The requested feature is not available. Please let me know thank you!

c#errorfeatureavailablenot
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Anirban avatar image
Anirban answered ·

Could you please check with the back-end support team once related this account issue?

You can contact them at devsupport@ringcentral.com and can ask the internal details and the reason behind it. They can help you in investigating the issue.

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Khaled Ben hassine avatar image
Khaled Ben hassine answered ·

Same problem for us, can you please answer these requests and help

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Phong Vu avatar image
Phong Vu answered ·

If you could log in with an empty extension number (w/o extension number), it meant that the username (the phone number) is not the main company number. You can double check if the username and password you use are valid by login into your service web at https://service.ringcentral.com. If you log in as a super admin user, you can check your account users' settings.

The username and password you use to login the service web will be the username and password you login your app.

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sean-tal avatar image
sean-tal answered ·

Hi, you cannot send a text from toll free number.


Usually, main number in your account is a toll free number and results in this issue when switching to production from sandbox..


Use any other number from your account.

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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