System Functions and Features as of I7.9
Identification Elements 63
syd-0200/3.0 – I7.9 – 11.2009
3. 7. 2 Outgoing Calls to the Public Network
Call to the Public Network via a Gateway PINX
User C (340) on PINX 2 calls user F on the public network via PINX 1.
PINX 1 has a DDI number for user C (54).
The following CLIP characteristics are set in the trunk group configuration of
PINX 1:
• CLIP number = 50
• NPI = unknown
• TON = unknown
Fig. 22 Example 3: User C calls user F in the public network (excerpt from Fig. 19, page 60)
Tab. 16 Example 3: 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 1
3 340 PNP level 0 PINX 1
• The system’s own regional prefix is deleted
• TON is adapted.
4 54 Unknown Unknown PINX 1 → Exchange
• There is a suitable DDI number, which is used as a
CLIP No. and sent to the public network.
5 055 555 55 54 Exchange → User F
• Presentation on the terminal
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