have the incoming calls redirected to dial out.
DID Prefix
A digit string to be prefixed to the incoming called
number after stripping.
DID Stripping
A number of leading digits to be stripped from the
original called number. Click All to strip all digits of the
original called number.
Language
Preferred language for system instructions heard from
the trunk.
IVR List
Associate an IVR menu with incoming calls to this
trunk. This is mandatory unless the trunk is configured
for DID. Leave it blank and the system will
automatically create an IVR for the trunk.
Usergroup
When disabled DID, click a usergroup in the list whose
reachability to other usergroups and trunks will be
used as the privilege of inbound calls from this trunk.
There may not be any appropriate usergroups to
select initially. One can come back later to revise
it, once the expected usergroups are added.
2.5.3
Add ISDN PSTN Trunks
1.
Enter settings shown in Table 3 -10.
2.
Click
Add
to see the newly added ISDN PSTN trunk in the table in the webpage.
For deleting an ISDN PSTN trunk, select a trunk identifier and click
Del
.
Click
Next
to assign trunks to usergroups.
Table 3-10 Add ISDN PSTN Trunk Settings
Field
Description
Trunk Group
ID number of this ISDN trunk group. A valid number
ranges from 1 to 31. It should not overlap with existing
Analog PSTN trunk groups.
Trunk Channels
Each physical ISDN port occupies three channels, two
B and one D channels. The Trunk Channels displays B
10
Please refer to 1.42 for details.
11
Please refer to 1.27 for details.
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