Identification elements
97
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Call to the Public Network via a Gateway PINX with Overflow Routing
User C (340) on PINX 2 calls user F on the public network via PINX 3 as all the availa-
ble communication channels between PINX 2 and PINX 1 are busy. PINX 3 does not
have a DDI number for user C.
The following CLIP characteristics are set in the trunk group configuration of PINX 3:
• CLIP number = 60
• Numbering plan identifier (NPI) = Unknown
• Number type (TON) = Unknown
Fig. 44 Example 4: User C calls user F via an alternative path (excerpt from Fig. 40)
Tab. 15 Example 4: Creating and presenting user C’s CLIP number
Step CLIP number NPI TON Description
1 340 PNP Level 0 User C
→
PINX 2
• There is no suitable DDI number.
2 50340 PNP Level 1 PINX 2
→
PINX 3
3 50340 PNP Level 1 PINX 3
• There is no suitable DDI number.
4 60 Unknown Unknown PINX 3
→
Public exchange
• The CLIP number entered in the trunk group configura-
tion is sent to the public network.
5 066 666 66 60 Public exchange
→
user F
• Presentation on the terminal
340
F
C
340
50340
60
055 555 55 54
066 666 66 60
022 222 22 22
Gateway PINXSource PINX
PINX 3
Region 50
PINX 2
Region 60
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