3CX and T46G

[tsukraw]

With 3CX support you just have to be firm with your issue and be 100% positive yourself that the issue is not caused by a modification you did.

If you are not sure you always have the option of taking a test phone or two and setting the back to the default template to verify the issue still happens before calling support.

We have dozens of 3CX customers out there and just about every single one of them is running on modified templates. There is a lot of things you can do my modifying templates but there is a lot you can muck up at the same time.

You have to look at 3CX's angle on it as well. They cannot possibly support from there size every feature/modification that Yealink allows you to make for there phones. There is a list a mile long. So 3CX support has to draw the line somewhere.

But like i said if you set one single phone back to the default template test confirm the issue still exists you will be golden with support. That is how we do it and have no issues at all.

As for your echo issue those values will absolutely correct the problem with the headset.
Take a look at this post.
http://forum.yealink.com/forum/showthread.php?tid=2423
If you need any help or unsure of what you are doing PM me. Would gladly give you a hand.