- Joined
- Aug 20, 2009
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I see the System Extension Echo Test *777, and I can dial it and speak ... ... and hear an echo, or not.
But I can't find any documentation on why it exists, or how it's useful - other than my own speculation.
Can anyone enlighten me?
Thanks, Les.
But I can't find any documentation on why it exists, or how it's useful - other than my own speculation.
Can anyone enlighten me?
Thanks, Les.