Aastra Ascotel IntelliGate 2025 - Page 201

Ascotel IntelliGate 2025/2045/2065
Part 2 Identification Elements 201
Fig. 2.20: Example 1: Subscriber C calls subscriber A (excerpt from Fig. 2.19)
Tab. 2.12: Example 1: Creating and presenting subscriber C’s CLIP number
PISN - Internal Call with Overflow Routing
Subscriber C (340) on PINX 2 calls subscriber A on PINX 1 via PINX 3 as all the
available communication channels between PINX 2 and PINX 1 are busy. PINX 3
belongs to Region 60.
Fig. 2.21: Example 2: Subscriber C calls subscriber A, Overflow Routing (excerpt from Fig. 2.19)
Step CLIP number NPI TON Description
1 340 PNP level 0 Subscriber 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.
4340 PINX1 → Subscriber A
• Presentation on the system terminal
C
340
340 340
50340
201
A
Source PINX Destination PINX
haz0686aaena0
PINX 2 PINX 1
C
340
340340
50340 50340
201
A
Source PINX Destination PINXTransfer PINX
Region 60 Region 50Region 50
haz0687aaena0
PINX 1PINX 3PINX 2