I'm just confirming what used to apply to my old PBX still holds true with a VIC2-4FXO in a 2921 router.<div><br></div><div>For analog lines from the PSTN:</div><div> Loopstart bad</div><div> Groundstart good</div><div>
<br></div><div>The application is I'm bringing up a small SRST site, and we are replacing they're old key phone system. I have no idea what the existing lines are, but we have enough time to change the type out.</div>
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