Our High Volume SMS app recently stopped working. It has worked for the last couple of years, but recently we get an error when we try to send a batch: "errorCode":"CMN-101","message":"Parameter [from] value is invalid." I get the same error when I try to send from the API documentation page. We have 5 numbers set up with A2PSmsSender to send from, they all used to work and now I cannot send from any of them. Seems something changed on the account, but I cannot figure out what.
I believe that it is the same problem as in this case. Please read my last comment on the thread and check your account settings and change it back.
https://community.ringcentral.com/questions/104889/high-volume-sms-stopped-working.html
I went into Phone System > Auto-Receptionist > General Settings > Main Site > IVR Settings > Company Fax/SMS Recipient and selected a different extension. Unfortunately this did not fix the issue.
A different extension, was it the main super admin? What is your account id?
Yes, I am logged in as the main super admin. Here is the client ID: JZZSnZr3RF6b7UqYxLjMMg
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