Zoom Phone SMS error: Message could not be sent
If you receive the error message “Message could not be sent” when sending an SMS, it could be due to your specific account’s environment or a widespread issue. Before troubleshooting these steps, ensure that the user receiving the error meets the prerequisites for using SMS.
This article covers:
- How to troubleshoot the “Message could not be sent” SMS error
How to troubleshoot the “Message could not be sent” SMS error
Check for current outages
You may be impacted by an outage. Check the Zoom Status page to see if there are any outages related to SMS issues.
Check SMS enablement for a number and assign it to an existing campaign
Admins can also try to remove the number from the assigned campaign and assign it back again, then verify the status after approximately 10 minutes.
Check network firewall or proxy server settings
Ensure that you have whitelisted the supported firewall ports and configurations.
Contact Zoom Support
If you or a user still receive the error “Message could not be sent” after checking for any current outages, verifying SMS capability, and checking firewall ports, then submit a request to Zoom Support to assist with troubleshooting. Additionally, you can submit a Zoom Phone problem report.
Learn more about troubleshooting Zoom Phone errors.
Join the 250K+ other members in the Zoom Community! Login with your Zoom account credentials and start collaborating.