The SPT provides detailed diagnostics using LEDs and the Display to prove the cause of a PSTN network problem. If you have a WebWay World login you can see diagnostics in Connections on desktop or mobile. You can identify if the problem is with: - The SPT configuration. - The customers PSTN line. - The WebWay MCT/PSTN receivers. - The registration of the SPT with the WebWay MCT receivers.


- Located under the 3 buttons on the left hand side of the SPT. - The first bi-colour LED, just under and between buttons A and B. - Labelled “ATS” (Alarm Transmission System). - See arrow “Communications indicators”, Quick Start. - A Green flash indicates a single working route. - A Red flash indicates a route is not available. - The PSTN ATPs are the final 2 flashes.

ATS LED “Green-Green”

- “Green - Green” indicates 2 working PSTN ATPs. - No action required.

ATS LED “Red-Green” or “Green-Red”

One PSTN ATP is not working The SPT is correctly connected to the customer’s line Data is being acknowledged by one ATP route.

ATS LED “Red-Red"

The SPT has no working PSTN ATPs.



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