I purchased a Grandstream 4 FXS Gateway and my *XXXX extensions are
not working. I disable the special features and changed the DIAL to
{X*#+} but not luck.
I can dial any other number, receive calls and so on. This is the
only thing that seems to be an issue.
Has anybody found a way around this problem.
Reference: GXW-400x IP Analog Gateway Series
Documentation: http://www.grandstream.com/gxw400x.html
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Yours truly,
Yu
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