expected usergroups are added.
Delay Before/After Answering
Delay in seconds before and after answering a call from
PSTN trunk.
Forced Disconnection of this Duration
(ms) of Silence Detected
Enter a time in ms for disconnecting the call when there is
no sound for the period of time.
6.8 ISDN PSTN Trunk Configuration
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
Service
, and click
Reload
to activate changes.
6.8.1
Add an ISDN PSTN Trunk
1. Click
the
Add New
tab.
2.
Enter settings shown in
66