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Paula Wong
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Troubleshooting T1 (POTS) Cabling Issue

Hi Everyone,

I am just curious what pin(s) to use to troubleshooting a T1\RJ11 cabling issue.  I know it uses PIN 1, 2, 4, 5 but which one would be the main one to use?

Thank you!
IP TelephonyTroubleshooting

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8/22/2022 - Mon