Pstn Detection; Figure 92: Ucm630X Fxo Tone Settings - Grandstream Networks UCM630 Series User Manual

Click on "Detect" to detect the busy tone, Polarity Reversal and Current Disconnect
by PSTN. Before the detecting, please make sure there are more than one channel

PSTN Detection

configured and working properly. If the detection has busy tone, the "Tone Country"
option will be set as "Custom".
PSTN Detection
The UCM630X 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 UCM630X
settings.
1. Go to UCM630X Web GUIExtension/TrunkAnalog Trunks page.
2. Click to edit the analog trunk created for the FXO port.
3. In the 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 92: UCM630X FXO Tone Settings

UCM630X Series User Manual
Version 1.0.2.25
P a g e | 167