Can Carrier mark number as spam and block?

We have an automated process that sends out text messages on a mass scale. This process has been running for some months now. Recently I've noticed that when sending text messages from the number used to certain numbers the message never actually gets delivered even though the status of the message is delivered. I confirmed this by sending a message to my personal cell phone.

Is it possible that the sending number is marked as spam with certain carries and being blocked that way?.. if so how can i find out to confirm this with said carries?.. also is there anyway to get that number unblocked with those carriers?

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Hi Christian,

https://devcommunity.ringcentral.com is mainly for questions closely related to programming.

For you question, I suggest you to ask it in https://community.ringcentral.com/ringcentral

Or you can contact RingCentral customer support: https://www.ringcentral.com/whyringcentral/contactus.html

Best Regards,

Tyler

A number can be marked as spam and blocked. For local phone numbers, we recommend you limit your SMS text messages to 500 per day per number. The following is from our SMS API FAQ:

http://ringcentral-faq.readthedocs.io/en/latest/sms/

In addition to the API rate limit, phone number use is governed by the FCC. Currently, RingCentral provides local phone numbers, aka long codes, for SMS and are typically used for non-marketing person-to-person and small-group text use cases. Based on our experience, we recommend sending up to 500 SMS text per long code per day. If you wish to send more than this, contact us our support team to discuss your use case.

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