Data service
256
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
If the data-service type cannot be unequivocally allocated, it will be routed to the desti-
nation Unknown.
If no destination is found, the call is cleared down.
Tab. 74 Data-service destination table
Routing to a destination in the data-service destination table
Fig. 127 Incoming data-service routing from the public network with direct dialling to a destination in
the data-service destination table
Data-service type Interface of the destination terminal
FAX 2, 3 • Analogue terminal interface
• SIP terminal interface
FAX 4 • Terminal interface BRI-S
• Analogue terminal interface
Telet ex Terminal Adapter on an BRI-S terminal interface
Telex Terminal Adapter on an BRI-S terminal interface
Videotex Terminal Adapter on an BRI-S terminal interface
Telepac X.25/X.31A Terminal Adapter on an BRI-S terminal interface
TA V.110 Terminal Adapter on an BRI-S terminal interface
TA V.120 Terminal Adapter on an BRI-S terminal interface
B channel transparent • Terminal interface BRI-S
• Remote maintenance access PPP
Analogue modem • Analogue terminal interface
• Terminal Adapter on an BRI-S terminal interface
Unknown Any destination
PINX 1
PINX 2
PINX 1
222 22 20
220
BRI-T
PRI
DD destination table 1
DD destination table 2
DDI no.. 20
Call Distribution Element 2
Call Distribution Element 1
Direct dialling plan 1
Trunk group 1 (DSS1)
Ex-
change
Fax 4
Fax 4
-> Call Distribution
Element 1
-> Direct dialling plan 1
-> Call Distribution
Element 2
-> DD destination
table 1
-> DD destination
table 2
Fax 4
-> User 220
Fax 4
-> User 220