1.21.1 Integrated Services Digital Network (ISDN)
1.21.1.12 ISDN Service Access by Keypad Protocol
Description
ISDN provides some supplementary services by key protocol, and they may require a service access code to
be dialled.
Conditions
•
This feature complies with the following European Telecommunication Standard (ETS) specification:
–
ETS 300 122 Generic keypad protocol for the support of supplementary service (ISDN Service Access).
•
ISDN Service Button
A flexible button can be customised as an ISDN Service button. A service access code can also be assigned
on this button for a quick operation.
•
This feature is not available to an SLT.
PC Programming Manual References
6.5 [4-1-4] Wired Extension—Flexible Button
→
Type
→
Dial (for ISDN Service)
6.13 [4-2-3] Portable Station—Flexible Button
→
Type
→
Dial (for ISDN Service)
6.17 [4-3] DSS Console
→
Type
→
Dial (for ISDN Service)
Feature Guide References
1.20.2 Flexible Buttons
3.1 Capacity of System Resources
User Manual References
1.2.5 Accessing the ISDN Service (ISDN Service Access)
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Feature Guide