Peerless Industries KX-TDA15 IP Phone User Manual


 
1.20 Integrated Services Digital Network (ISDN) Service Features
200 Feature Guide
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)