Routing algorithm for outgoing calls – 2N VoiceBlue MAX v1.5 User Manual
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Make sure that the apriopriate provider's SIM card is inserted in the GSM gateway.
Assign the incoming and outgoing groups in the Gateway configuration
GSM
/
menu.
groups assignment
For a call setup, the LCR table is searched sequentially from top to bottom. Each LCR
table row is assigned a
in which the prefix match is searched for. If a match
Prefixlist
is found, the call will be routed according to the routing group parameters (
in
Groups
the LCR table) as set in the
table.
Gateway configuration
GSM outgoing groups
/
The call will be connected via the GSM module as assigned to the GSM outgoing
in the
table.
groups
GSM groups assignment
If the selected GSM/UMTS module is busy, the call is routed according to the next
routing rule included in the
and defined by the
table.
Groups
GSM outgoing groups
Again, the
is assigned to a GSM module in the
GSM outgoing group
GSM groups
table.
assignment
The LCR row is checked in this way until a free GSM/UMTS module is found. If no
available GSM/UMTS module (
) is found, the call is rejected.
GSM outgoing groups
Routing Algorithm for Outgoing Calls
The GSM/UMTS outgoing call routing algorithm is launched whenever the SIP Proxy /
FXS routes an outgoing call to
. Outgoing calls are routed via
2N VoiceBlue MAX
®
2N
as follows:
VoiceBlue MAX
®
The calling subscriber dials the subscriber number and the SIP Proxy / FXS routes
it to
depending on the SIP Proxy / FXS settings.
2N VoiceBlue MAX
®
The number prefix is checked against the prefixes in the
tables
List of networks
in the ascending sequence, i.e. table 1 is searched first, followed by table 2 and
so on.
When a matching prefix is found in a
, the LCR is checked for a
List of networks
valid row. Again, the LCR is searched upwardly, starting from the first row.
If a
number matches a valid number on the respective row,
List of networks
the call time is checked against the routing rule. If no match is found, the next
LCR row is checked.
If the
number and call time meet the routing rules, the call is
List of networks
routed to the module selected in the
table
Assignment to GSM groups
according to the first routing rule included in the
section and given in the
Groups
table.
GSM outgoing groups
Moreover, call duration limiting timer can be selected for the outgoing call.
If the selected GSM/UMTS module is occupied or has a low credit, the algorithm
returns to the preceding step but considers the next
row instead of the
Groups
Poznámka
Count of digits defines the minimum count of digits to be dialled. Hence,
a call is successful if the count of the called number digits is equal to or
higher than the value set in the
.
Count of digits
The
does not include the digits removed from/added to
Count of digits
the number in the Table of replaced prefixes.
The
set in the Table of accepted prefixes has a higher
Count of digits
priority than the
.
Default count of digits
The
must always contain one record at least
Table of replaced prefixes
or the
record if no prefix modification is made.
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