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  1. How to set Outbound Caller ID on Fax Extension.

    I have an inbound rule that routes my fax number to my fax extension. For other extensions I use the "Outbound Caller ID" field to set my outbound number to my VOIP provider. For the FAX Extension, I cannot set the Outbound Caller ID. Any ideas how to make my FAXes come from my FAX number...
  2. Why must an Authentication ID be unique?

    I have two VOIP Providers. With both providers I have the same username; myname. Obviously, the two SIP servers are different for the two different VOIP providers. But 3CX won't let my put my 'regular' username in the Authentication ID box, because for some reason it must be unique. Why's...
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