Aastra 400 Series System Manual page 102

Identification elements
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
• NPI = unknown
• TON = unknown
Fig. 39 Example 4: User C calls user F via an alternative path (excerpt from
Tab. 28 Example 4: Creating and presenting user C's CLIP number
Step CLIP number
1 340
2 50340
3 50340
4 60
5 066 666 66 60
102
NPI TON
PNP level 0
PNP level 1
PNP level 1
Unknown Unknown
Fig.
Description
User C → PINX 2
• There is no suitable DDI number.
PINX 2 → PINX 3
PINX 3
• There is no suitable DDI number.
PINX 3 → Exchange
• The CLIP number entered in the trunk group config-
uration is sent to the public network.
Exchange → User F
• Presentation on the terminal
System functions and features as of R3.0
35)
syd-0367/1.3 – R3.0 – 03.2013