Why no live chat available?
Troubleshooting Live Web Chat
Blizzard Live Chat
GM chat support?
Note: Open Mic mode will transmit all sound coming through your microphone, and is selected by default.
Note: Some UI modifications can cause the GM Chat Request icon to be invisible.
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In the future, it is wise to update your information regularly to keep something like this from happening again.
In Aion, layers were a FEATURE and you were able to switch them at will, and it worked perfectly fine and no harm to economy was done in any way.
Also, you do have the option to report someone if they are breaking the ToS, because there are chat rules.