VoIP gateway IP400 version 5.01
Page 91
Fig. 26 Dependence on the calling number
Call switching is controlled by the gateway's
Routing Table
(in the
Routing
table
area).
The routing table is searched through from top down for every single call. If a
Map
is found,
• whose route has specified the source interface of the current call as a permit-
ted interface in the
Enable calls from interfaces
list and
• whose dial prefix specified in the
Called number in
field matches the called
number of the current call, and
whose
Verify CGPN
box is not checked
or
whose
Verify CGPN
box is checked and the calling number of the current
call matches the
Calling number in
entry,
CGPN maps
attached to
Map
.
then, the current call will be switched to the interface specified in the
Default call
destination
field in the route of the
map
or in the
Destination
field of the
Map
.
In the process, the called number is modified in such a way that the dial prefix in
the
Called number
in
field is replaced by the sequence of digits in the
Called
number out
field. The calling number is modified accordingly using the
Calling