Unregistering instead of busy?

[regan]

Hello, I have now updated my handsets and base to the latest firmware. I have just tested the W52P and am still having this issue with the phone and my provider.

When the phone is on a call, my VoIP provider is saying that the phone is sending an "unreachable" state instead of a "busy" state to their server when the phone is currently on a call.

So when I select "Forward my calls when I am unavailable to:..." or "Forward my calls when I am unreachable/offline to:..." or "Forward my calls when I am Busy to:..." with my VoIP provider, and someone calls me when I am already talking on the phone, their system thinks the phone is unreachable/offline or unavailable instead of actually being "Busy".

Is there a setting somewhere on the base software which will send the correct "Busy" state to the server?

Thanks.