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E.g. Original called number of
12345678 becomes 678 after
“Retain last”, “3” digit(s).
Discard all
Strip all digits of the original called
number.
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.
Delay Before/After Answering
Delay in seconds before and after answering a call from
PSTN trunk.
6.1.11ISDN PSTN Trunk
An ISDN PSTN trunk group is a logical group of one or more ISDN subscriber lines connecting to
ISDN ports (RJ45) on IP PBX. Currently only Basic Rate Interface (BRI) ISDN service is supported.
BRI consists of two 64 kb/s B channels and one 16 kb/s D channel for a total of 144 kb/s. This basic
service is intended to meet the needs of most individual users.
The
ISDN PSTN Trunk Management
page allows the administrator to configure ISDN trunks. Select
Trunk
->
ISDN PSTN Trunk
, and one can add, edit and delete ISDN trunks. Go to
Service
->
IP
PBX
, and click
Reload
to activate changes.
6.1.11.1 Add an ISDN PSTN Trunk
1.
Click the
Add New
tab.
2.
Enter settings shown in Table 6 -30.
26
Please refer to 1.42 for details.
27
Please refer to 1.27 for details.
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