1.8 Toll Restriction (TRS) Features
66
Feature Guide
[Flowchart]
Conditions
WARNING
The software contained in the TRS feature to allow user access to the network must be upgraded to
recognise newly established network area codes and exchange codes as they are placed into
service.
Failure to upgrade the on-premise PBXs or peripheral equipment to recognise the new codes as
they are established will restrict the customer and users of the PBX from gaining access to the
network and to these codes.
KEEP THE SOFTWARE UP TO DATE WITH THE LATEST DATA.
•
Emergency numbers, such as the police or fire services, should be stored (
Emergency Number
[309]) so that they are not barred by TRS.
•
Host PBX Access Code/Carrier Exception Code
TRS checks can be carried out on telephone numbers dialled using a Host PBX Access code (
An extension user tries to make
an outside (CO) line call.
Was the number dialled using
System Speed Dialling?
What is the COS number?
Is the dialled number found in an
applicable Denied Code Table?
Is the dialled number found in an
applicable Exception Code Table?
The call is denied.
The user hears a reorder tone.
Is the COS number higher
than the System Speed
Dialling Class?
The call is permitted.
Yes
COS 1
COSs 2–5
No or Equal
Yes
Yes
No
Yes
No
No
Summary of Contents for KX-TEB308
Page 13: ...Feature Guide 13 Section 1 Call Handling Features ...
Page 154: ...1 22 Audible Tone Features 154 Feature Guide ...
Page 155: ...Feature Guide 155 Section 2 System Configuration and Administration Features ...
Page 167: ...2 3 System Data Control Feature Guide 167 3 2 PC Programming ...
Page 181: ...Feature Guide 181 Section 3 Programming Instructions ...
Page 252: ...3 3 PT Programming 252 Feature Guide ...
Page 253: ...Feature Guide 253 Section 4 Appendix ...
Page 262: ...4 2 Tones Ring Tones 262 Feature Guide ...
Page 263: ...Feature Guide 263 Index ...
Page 269: ...Index Feature Guide 269 ...