System Functions and Features as of I7.9
68 Identification Elements
syd-0200/3.0 – I7.9 – 11.2009
Call made by a PISN user in the public network
PISN user E (310) on the public network calls user C on PINX 2 via PINX 1. He dials
055 555 55 54.
Fig. 27 Example 8: User E calls user C (excerpt from Fig. 19, page 60)
Tab. 21 Example 8: Creating and presenting user E’s CLIP number
Step CLIP number NPI TON Description
1 055 777 77 77 E.164 Unknown User E → Exchange → PINX 1
2 55 777 77 77 E.164 National PINX 1
• Prefix is truncated.
•TON is set to national.
3 777 77 77 E.164 Subscriber • Long-distance code is truncated as it is the same as
the system’s own long-distance code.
•TON is set to subscriber.
4 310 PNP level 0 • CLIP number matches the call number to PISN
users: PISN user number is set
• A suitable DDI number is not found.
5 50310 PNP level 1 PINX 2 → PINX 1
• Regional prefix is added and TON is adapted.
6 310 PNP level 0 PINX 2
• System’s own regional prefix is deleted and TON
adapted.
7 310 Unknown level 0 PINX 2 → User C
• Presentation on the system terminal
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