Grandstream Networks UCM6208 - Figure 15: UCM6 XXX FXO Tone Settings; Figure 16: UCM6 XXX PSTN Detection: Auto Detect

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UCM6XXX Analog Trunks Guide
Figure 15: UCM6XXX FXO Tone Settings
• If there are two analog lines connected, Auto Detect mode can be used.
Detect Model: Auto Detect.
Source Channel: The source channel to be detected.
Destination Channel: The channel to call during auto detection. For example, the second FXO port.
Destination Number: The number to be dialed for detecting. This number must be the actual PSTN
number for the FXO port used as the destination channel.
Dump Call Progress Tone File: Detected Call Progress Tone will be stored on a downloadable file.
Figure 16: UCM6XXX PSTN Detection: Auto Detect
• If there is one analog line connected, Semi-auto Detect needs to be used.