I am having trouble setting up two 1625 phones to Direct IP or Intercom while still blocking ghost calls.
I have the Softkey setup to make a direct ip call to the second phone. However when I also enable “Check SIP User ID for Incoming INVITE” my direct ip call returns an error “486 busy”.
Is there something else I need to configure to get this to work or are these two settings not compatible?
Would using the intercom function instead of direct ip call work? I have tried to find info on how to setup the intercom, but the manual doesn’t quite help me out here. It says to specify The Intercom ID I want to call, however where do I set the Intercom ID of the phone?
Any help is greatly appreciated. Thank you.