No dial tone every few weeks with VOIPO

[LazyDog]

So I purchased a different cordless phone system (Panasonic) to test the issue I am having.

Today there was a message on the Panasonic answering machine, but when I picked up the phone to make a call, there was no dial tone. I pressed the "Off" button a couple of times and then pressed the "Talk" button and the dial tone was back. So it doesn't appear to be an issue with the phone (unless both the AT&T and Panasonic phones have the same flaw).

So the problem almost needs to be somewhere between the Grandstream unit and my network that leaves my phone offline (maybe after certain calls come in or long messages are left on our answering machine?). We would rather use a local answering machine because we have multiple people who live in the house and it's easier than to have multiple check emails for messages.

As I mentioned on an earlier post, the lights on the Grandstream are always doing the same thing...it doesn't matter if the phone has a dial tone or not (solid lights on power and Internet, mostly solid on link, and blinking of the phone led).

Speaking of those LED lights...How is the phone light LED supposed to be?

With the phone is not in use, the phone LED is a constant slow blinking. When the phone is in use, it's a slightly quicker blinking light.

I use a TP Link Router with DD-WRT firmware. I've made quite a few changes to the router settings over the year, but haven't found the needed settings to keep this issue from happening (if it is a problem with the settings and not a problem with the unit/service).

Any other thoughts or comments on the LED lights of the ATA?

I'd rather not get rid of VOIPo, but think I will have to if I can't solve the issue.

Thanks!

LD