I have a VG248 port connected to an analog elevator phone. Does anyone know if the VG248 can do CPC or Wink signal? I need the line to be able to disconnect when it the other end disconnects and it reciveves a fast busy or dial tone. thanks
Have a look at this link:-
Try drop loop current.
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Thanks. I've tried that. But from the document it seems that Call Supervision Method on the VG sends the drop loop current if the VG phone disconnects first. My issue is the called party disconnects first
Did you find a solution? I'm currently troubleshooting this as well for certain models of elevator phones we're migrating from Avaya to Cisco.