ASCOM Ascotel 2025, System Manual

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ascom Ascotel 2025/2045/2065
1.46 Networking the Systems HBT_20321104_01/B0_en
The call is routed as follows:
1. In PINX 2's internal numbering plan the number 60250 is known for a PISN
subscriber in a different network region. The call is routed to PINX 3 via the
allocated route.
2. In PINX 3's internal numbering plan the number 60250 is also known. The call
is routed to PINX 4 via the allocated route.
3. PINX 4 recognizes the number 60 as a specific prefix and truncates the digits.
Under the number 250 it finds the internal subscriber E. The connection is set
up.
Call to a Virtual PBX (Centrex)
This is a call within the PISN Region 50.
Fig. 1.34: Subscriber D dials 400 (subscriber A on the PBX)
The call is routed as follows:
1. In PINX 3’s internal numbering plan the number 400 is entered as a PISN sub-
scriber. The call is routed to PINX 2 via the allocated route.
2. In PINX 2’s internal numbering plan the number 400 is also entered as a PISN
subscriber. The call is routed to PINX 1 via the allocated route.
3. Under the number 400 PINX 1 finds the internal subscriber A. The connection
is set up.
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D
300
400
A
Source PINX Transit PINX Destination PINX
PINX 2 PINX 3
PINX 1
PNP