https://business.bt.com/help/article/set-up-do-not-disturb-or-selective-call-rejection-and-acceptance-on-digital-voice-for-business/
Setting up Do Not Disturb or Selective Call Rejection and Acceptance on Digital Voice for Business...
Use Do Not Disturb to send calls to voicemail without any devices ringing, or Selective Call Rejection/Acceptance to restrict calls. Learn how to set these up.
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https://www.htcnet.org/faqs/selective-call-rejection-12/
Selective Call Rejection 12 – Highland Telephone Cooperative
Dec 16, 2022 - This feature allows you to create a list of Telephone numbers from which you do not wish to receive calls. When someone calls from a telephone number on your...
selective call rejectiontelephone cooperativehighland