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2.2 Making Calls
42
Operation
2.2.6 Accessing the ISDN Network Service (ISDN Network
Service Access)
To access
You can access a service which is provided from the ISDN network.
• Availability of this feature depends on the ISDN service of your telephone company.
The system is in accordance with ETS specifications below.
ETS 300 122 Generic keypad protocol for the support of supplementary services
ETS: European Telecommunication Standard
Customising Your Phone
• 4.1.3 Customising the Buttons
Create or re-arrange an ISDN Service button.
Off-hook.
On-hook.
PT
C.Tone
specified
service no.
Press ISDN Service.
Or press FWD/DND and enter specified service
number and press FWD/DND.
OR
line access
no.
Press CO or enter
line access number
(9 or 81-88).
OR
(CO) (CO)
(FWD/DND) (FWD/DND)