Identification elements
105
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
Call from the Public Network with Overflow Routing
User G on the public network calls user C on PINX 2 via PINX 1 and PINX 3 as all the
available communication channels between PINX 2 and PINX 1 are busy. He dials
055 555 55 54.
Fig. 42 Example 7: User G calls user C via PINX 3 (excerpt from Fig. 35)
Tab. 31 Example 7: Creating and presenting user C’s CLIP number
Step CLIP number NPI TON Description
1 066 333 33 33 E.164 Unknown User G → Exchange → PINX 1
2 66 333 33 33 E.164 National PINX 1
• Prefix is truncated
•TON is set to national
3 66 333 33 33 E.164 National PINX 1 → PINX 3
4 333 33 33 E.164 Subscriber PINX 3
• Long-distance code is truncated as it is the same as
the system’s own long-distance code
•TON is set to subscriber
5 66 333 33 33 E.164 National PINX 3 → PINX 2
6 66 333 33 33 E.164 National PINX 2
• CLIP number is not altered.
7 0-066 333 33 33 PINX 2 → User C
• Presentation on the system phone
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