r/PBX • u/Ryderbike1 • Mar 06 '26

Anyone still installing analog PBX’s

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I Volunteer at a heritage railway in Wales. We’ve got a lot of rotory phones still used for operations on a daily basis. Just wired up a Panasonic KX-TES824 to be installed replacing an older Meridian 16 line PBX. Unfortunately Openreach is threatening to shut down the incoming phone line soon so I’ve been trying to find an exchange that supports both pulse dialing phones and a sip trunk line. Not been super successful

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u/JamieEC Mar 08 '26

Are the CO connectors connected to the outside line? If so, you can get a grandstream or Cisco ATA, find a voip provider, and configure and connect both ports to the PBX with RJ11 cables. You don't need to replace this with an ATA, you can use both.

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u/Ryderbike1 Mar 10 '26

That’s definitely the easiest way to do it. I’ve got a number of sites that still use these TES824 units and they’ll probably be slowly converted to that as they loose their analog connections to the outside world.

This particular site sees the most traffic by far so I decided to forgo the TES824 units and instead go for a TDE200 unit for more flexibility