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Does anyone knows how to disable specific incoming number on Fongo home phone ? Can You share this knowledge please . ATA: Grandstream HT–286. Thank You
The closest thing you can get is to add certain numbers to the call forwarding section in the ATA. This will unfortunately just send to voicemail I believe, but it might be better than the phone ringing.
Have a look though this thread, it's a bit old but should give you an idea. viewtopic.php?f=14&t=1141