System Functions and Features as of I7.9
Identification Elements
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d-
020
0/3.
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9
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.2009
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. 26
Example 7: User G calls user C via PINX 3 (excerpt from
)
Tab. 20
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 2
→
PINX 1
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 terminal
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HAZAAENA
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PINX 2