User's Manual

Firmware Version 1.0.0.5
UCM6510 IP PBX User Manual
Page 80 of 192
Fax Detection
Enable to detect Fax signal from the trunk during the call and send the
received Fax to the default Email address in Fax setting page under web
GUI->PBX->Internal Options->Fax/T.38.
Note:
If enabled, Fax Pass-through cannot be used.
DIRECT OUTWARD DIALING (DOD) VIA DIGITAL TRUNKS
Please refer to section [DIRECT OUTWARD DIALING (DOD) VIA VOIP TRUNKS].
DIGITAL TRUNK TROUBLESHOOTING
After configuring the digital trunk on the UCM6510 as described above, if it doesn't work as expected, go to
web GUI->Maintenance->Troubleshooting->PRI Signaling Trace to capture a trace for the T1/E1
interface. The users can take a look at the trace for basic analysis or contact Grandstream Technical
support in the following link for further assistance if the issue is not resolved.
http://www.grandstream.com/index.php/support
Figure 31: Troubleshooting Digital Trunks