Pstn Detection; Figure 94: Ucm6100 Fxo Tone Settings; Figure 95: Ucm6100 Pstn Detection - Grandstream Networks UCM6100 Series User Manual

PSTN Detection

The UCM6100 provides PSTN detection function to help users detect the busy tone, Polarity Reversal and
Current Disconnect by making a call from the PSTN line to another destination. The detecting call will be
answered and up for about 1 minute. Once done, the detecting result will show and can be used for the UCM6100
settings.
1. Go to UCM6100 Web GUI→Extension/Trunk→Analog Trunks page.
2. Click to edit the analog trunk created for the FXO port.
3. In the dialog window to edit the analog trunk, go to "Tone Settings" section and there are two methods to set
the busy tone.
•
Tone Country. The default setting is "United States of America (USA)".
•
PSTN Detection.
4. Click on "Detect" to start PSTN detection.

Figure 94: UCM6100 FXO Tone Settings

Figure 95: UCM6100 PSTN Detection

UCM6100 Series User Manual
Version 1.0.18.13
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