Making Changes to the Configuration
64
ISDN Trunks Incoming Routing
Description
Each ISDN 2 needs to have correct format assigned
P-P (Point to Point) = Used for DDI’s
P-MP(Point to Multi Point) = Used for MSN
Both DDI’s and MSN’s overlay numbering on ISDN trunks to allow direct calls to extensions or
Incoming Ring Groups (IRG).
Single flag DDI can also be sent on same lines as customer Main number or Faxes
DID tables will need to be customized to allow DDI and MSN routing.
DID tables must contain all digits received from the network.
(DDI is also referred to as DID within XN120 PCPro)
Pre config - initial data
As each DDI or MSN is unique to customers site, ISDN pre config will initially ignore the DDI
digits and route ALL calls to an IRG, as shown below.
Trunks 4 to 7 assigned as P-P (Point to Point)
Trunks 4 to 7 assigned as Normal (not DID)
Trunks 4 to 7 will Ring IRG 1 in Mode 1 (Day)
Trunks 4 to 7 will ring IRG 2 in Mode 2 (Night)
DID table areas assigned only to trunk group 1
Day mode will use tables- 1-200 – (All DDI or MSN must be assigned)
Night mode will use tables-201 to 400—(Only differences from Day mode need to be entered)
Options
Basic overview of DID
1
st
Step = Extension or Department Group
2
nd
and 3
rd
Step = IRG or Department Group
Procedure
ISDN Connection Type
1. Click on 10-xx to expand tree
2. Click on 10-03-07
3. Locate Slot
Incoming Call
Type - DID
22-02
Table Area
To Mode
22-10
Table Area to
Route Table
22-13
DID
Assignment
22-11
No Answer
Timer
1
st
Step
Receive
Digits
2
nd
Step
No Answer
Timer
3
rd
Step
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