Set or edit DID on system extension 999

SteveITS

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I am not finding this while searching so thought I'd ask. We upgraded a server from v18 to v20u3. It had a DID rule sending to the system voicemail extension 999.

If I start to create an IVR I can see the DID is still assigned, and in fact it works if dialed:
1728619268094.png

However, for knowledge purposes, how does one set that now, in v20? I found https://www.3cx.com/community/threads/v20-system-extensions-inbound-rules-dids.127448/ which suggests using an IVR that plays a prompt to press 999, but it apparently can't forward to a system extension. Is that the only/correct way now?

If I start to assign that DID to something else, it will be removed from 999 so I guess that's how to remove it.

Thanks,
 
You can assign a DID to any destination just by going to that destination and assigning the DID. If the DID is assigned somewhere else, it will transfer it to the new destination.

1728629846853.png

To remove a DID from a destination, just click the X button next to the DID where it is assigned.

1728629793502.png
 
But is 999 editable like that?
 
Create a dummy extension and forward calls to the system extension 999.

IMG_7269.jpeg
 
Ah merci, that would be easier. I think that got shoved out of my head because they don’t work for SP slots anymore.

Interesting though, that it migrated during the upgrade, if it’s not possible to do.
 
Wait! Don’t tell me you speak French while I’ve been putting in all this effort to write in English! LOL


I think that got shoved out of my head because they don’t work for SP slots anymore.
I have to admit, I had to search when I saw your question. It wasn’t my first thought. Lol! Sometimes we forget the simplest things.


Interesting though, that it migrated during the upgrade, if it’s not possible to do.
Indeed, this might require some reverse engineering.

From what I can gather, the inbound rules mechanism likely still exists but is no longer exposed in the graphical interface… it might be accessible through the API.

Alternatively, it could be possible to assign the DID to a system extension (like 999) using the API.
 
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speak French
Un peu. Like, 25 years ago. Your English is far better. ;) I could always read French way better than I could hear or speak it, but I'm not an auditory learner. So I did fairly well on written tests.

If it's in the API perhaps it will reappear at some point. I dislike hidden things because they tend to be forgotten about, and break years later, when someone else does something..."of course it doesn't work, it's not possible to do that."
 
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