The GXV3140 is the latest IP phone from GrandStream.
Here some updated notes since the original post and impressions about this new phone.
Positive things
As I mentioned in the original post, the screen activation based on some motion, is really a nice thing.
When in front of the phone is possible to see information about the status of the line or the time (yeah, I love watches :) ) and if nobody is there ... black screen.
Skype is working well. The quality of audio and video is really good also with Skype.
Also the normal calls with SIP are really high quality.
Negative things
Most of the time the phone is working well, however it is less stable and reliable than the older GXV3000 series.
The GXV3140 crashed at least 4 or 5 times since I activated it.
So far I observed that the crash happens when Skype is activated (i.e. logged in).
Some times it was enough trying to place a call to trigger a crash. In one occasion I had the phone crash without doing any operation, probably after 2 days of continuous log-in to Skype.
Usually the crash manifest itself with a "frozen" system, i.e. the display shows something but the phone is totally non-responsive.
The only thing to do is to unplug the power, wait few seconds and then reconnect the power.
It would be interesting monitor the IP traffic to the phone to see if the crash is due from attempts to attack the phone.
Skype is notoriously dangerous, I don't think the phone is "smart" enough to protect itself.
Another annoying characteristic is the menu' to place a call.
To place a call, assuming to have the number in the phonebook, is necessary to press a lot of buttons, much more than the GXV3000.
First the phonebook button, then select the user, then press the F1 (assigned to the call function), then select if the call is only audio or audio/video and then finally the call is placed.
Really time wasting.
Still remains the impossibility to change some parameters in the phone. Probably a factory reset is necessary but so far I didn't spend time on that.
Maybe one of these days.
The automatic gain of the camera is quite annoying.
It's enough to move little bit far from the phone during a call to have the image transmitted to become totally dark. I did try also other settings but the final effect is not better.
Skype doesn't support conferences. That would be quite useful.
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