I'm not totally clear if these calls to your wife are across the WAN or LAN. When you say IP calls, what do you mean?
Since we are not dealing with PSTN here, your 7935 shouldn't be using dsp's on the voice gateway unless you are transcoding or conferencing. You could be transcoding if you were using g711 on the LAN, and g729 on the WAN. The dsp's would be used as a resource to convert the codec's.
You should be able to go to http:// to see the version of the firmware.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...