Figure 246: Troubleshooting Analog Trunks; Figure 247: A Key Dial-Up Fxo - Grandstream Networks UCM6510 User Manual

A key Dial-up FXO
-
Users can directly set a PSTN number on the "External Extension" text box to troubleshoot issues related
to the analog trunk easily, the following steps shows how to use this feature:
1. Configure analog trunk on UCM, including outbound route.
2. Enter a reachable external number in "External Extension".
3. Press "Start" button. The call will be initiated to the external number.
4. Answer and finish the call before pressing "Stop" button.
5. The trace will be available for analysis to download after output result shows "Done! Click on
Download to download the captured packets".
Note: When using a Key Dial-up FXO feature the outbound trunk for the analog trunk need to have internal
permission. As well as it should be the trunk with the highest outbound route priority.

Figure 246: Troubleshooting Analog Trunks

Figure 247: A Key Dial-up FXO

UCM6510 IP PBX User Manual
P a g e | 348