1.20 Integrated Services Digital Network (ISDN) Service Features
1.20.1.12 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.
This feature complies with the following European Telecommunication Standard (ETS) specifications: ETS 300 122 Generic keypad protocol for the support of supplementary service (ISDN Service Access).
Conditions
•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.
Feature Guide References
1.19.2 Flexible Buttons
User Manual References
User Manual
1.2.5 Accessing the ISDN Service (ISDN Service Access)
