Fax With Two Media; Blacklist Configurations; Figure 121: Blacklist Configuration Parameters - Grandstream Networks UCM6206 User Manual

FAX with Two Media

The UCM6200 supports Fax re-invite with multiple codec negotiation. If a Fax re-invite contains both T.38 and
PCMA/PCMU codec, UCM6200 will choose T.38 codec over PCMA/PCMU.

Blacklist Configurations

In the UCM6200, Blacklist is supported for all inbound routes. Users could enable the Blacklist feature and
manage the Blacklist by clicking on "Blacklist".
•
Select the checkbox for "Blacklist Enable" to turn on Blacklist feature for all inbound routes. Blacklist is
disabled by default.
•
Enter a number in "Add Blacklist Number" field and then click
added as a Blacklist Number.
•
To remove a number from the Blacklist, select the number in "Blacklist list" and click on
•
To add blacklist number in batch, click on
is as below.

Figure 121: Blacklist Configuration Parameters

to upload blacklist file in csv format. The supported csv format
UCM6200 Series User Manual
to add to the list. Anonymous can also be
.
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