When dialing out, mostly on-hook but sometimes off-hook as well, the phone will "hang up", or terminate the call immediately after dialing. For example:
I dial the number, then press the dial button. The display shows dialing and the phone goes off hook, dials, then immediately goes back on-hook, or hangs up. I press re-dial and the same thing happens.
This can happen no matter how I dial. I can press the speaker button first, or lift the handset, but the outcome is the same... the phone terminates the call and goes back to the on-hook condition.
This problem is being experienced by several users in various locations around our campus. It seems to be limited to the newer 7961G models. We have 7940/7960 in place that appear to be unaffected.
Running Call Manager v 4.0.2a, Unity v 4.0.5, both run on W2K.