Ascotel IntelliGate 2025/2045/2065
Part 2 Data services 353
6 Data services
Outgoing data-service connections are set up and routed in a similar way to call
connections. This also applies in a private leased-line network.
Incoming data-service connections are routed via data-service destination tables.
To route a call at a gateway or transit PINX on into the private leased-line network,
a PISN subscriber is entered as the data service destination (see "Routing in the
private leased-line network", page 357).
Internal data-service connections are also routed via the data-service destination
tables (see "Routing to a destination in the data-service destination table", page
354).
Other subjects in this chapter include:
• "User-to-user signalling (UUS)", page 358
• "X.25 in the D channel", page 359
6.1 Data-service connections and destination tables
Data-service connections are routed via the call distribution element to a data-
service destination table. In the data-service destination table each data-service
type is allocated internal or PISN-internal destinations. There are several data-serv-
ice destination tables; their number depends on the system type (see "System
Limits", page 592).
The system analyses the data-service type involved and then routes the call to the
configured destination.
Destinations include:
• Internal subscribers (including the remote maintenance access)
• User Groups
•PISN Subscriber
• Data-service individual destination
If the data-service type cannot be unequivocally allocated, it will be routed to the
destination "Unknown data service".
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