"0" for operator


In order to have the local extensions be able to dial “0” for the attendant, (in the past) i did this by creating a Queue with the number “0”

Now when trying to set up a “0” as a Queue number I get the following message

“Queue number must not be blank”

Please tell me what i am forgetting to do.

Any help appreciated.


I forgot to say that i am on PBX Firmware: 6.12.65-25
PBX Service Pack:

all modules updated.