Integrating ONLYOFFICE with SMSC
Connect the SMSC service to enable two-factor authentication and allow portal users to receive an SMS verification code when signing in.
Obtaining SMSC access keys
To obtain the credentials required to connect SMSC to your portal:
- Use your SMSC account
login. - Use your
passwordorpassword MD5 hashin lower case. To generate an MD5 hash, use the tool provided on the SMSC website. - Use your Sender ID. A Sender ID can be registered in your account on this page.
Connecting SMSC to ONLYOFFICE
To connect SMSC to your portal:
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Click the
icon in the upper-right corner to open Settings.
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Select the Integration tab.
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Open the Third-Party Services page.
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Scroll down to SMSC and click the toggle to enable it.
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In the SMSC window that opens, enter the credentials obtained in the previous section.

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Click Enable to connect the service.
Once connected, refer to this article to learn how to enable two-factor authentication on your portal.