162
Programming Manual
Program 20: System Option Setup
20-25: ISDN Options
IN
SA
SB
Description
Use Program 20-25 : ISDN Options to define the ISDN system options.
Input Data
Prog. No. Item Input data Default
20-25-01
Send the Release Message After Subscriber Hang Up
1
20-25-02
Progress Indicate Information element detect
0 : Service Off
1 : Service On
1
20-25-03
Bearer Capability select from SLT Outgoing
0 : 3.1kHz Audio
1 : Speech
0
20-25-04
Send DT Until User Dials the First Digit (Overlap
Sending Mode)
With Overlap Sending Mode, if the network side stops dial
tone when CLI is included in the SETUP message, the
system sends dial tone until the user dials the first digit
instead of the network.
0
20-25-05
T305 Timer Start After Sending Disconnect Message
1
20-25-06
Call Proceeding Send Mode
1
20-25-07
Busy Tone Mode Set When Disconnect Message Received
0
20-25-08
Use of Low Layer Compatibility (LLC)
1
20-25-09
Use of High Layer Compatibility (HLC) Sending
1
20-25-10
S-Point Terminal Seizes Analogue Trunk
0
20-25-11
Automatic Changing System Clock When Date/Time
Information Element Received
1
20-25-12
Incoming Calls Forwarded Out Automatically Return
Connect Message When Outgoing Call Receives Alerting
Message
0
20-25-13
Use busy tone when trunk call receives RELEASE message
0 : Service Off
1 : Service On
0
Conditions
None
Feature Cross Reference
ISDN Compatibility
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