1.17 T
Feature Manual
311
local calls.
To set TRS as in the example above, it is necessary to program the Denied Code and Exception Code
Tables as follows:
Conditions
WARNING
The software contained in the TRS feature to allow user access to the network must be upgraded to
recognize 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 recognize the new codes as they
are established will restrict the customer and the users of the PBX from gaining access to the
network and to these codes.
KEEP THE SOFTWARE UP TO DATE WITH THE LATEST DATA.
•
TRS checks are performed for all calls made by:
–
Any CO line access (Idle Line Access, Trunk Group Access, S-CO Line Access)
–
Automatic Route Selection (ARS)
•
The PBX can also be programmed to perform a TRS check for numbers that contain non-digits ( or
#). By default, the PBX ignores ("No Check") any non-digits that are dialed, which is useful in preventing
unauthorized calls which could possibly be made using certain telephone company exchanges.
→
2.14.5 [7-5] Miscellaneous—TRS Check for dial "* #"
•
TRS can also be programmed to check digits that are dialed after External Feature Access, such as
when trying to transfer a call to an outside party. (
→
1.5.1 EFA (External Feature Access))
→
2.14.5 [7-5] Miscellaneous—TRS Check after EFA
•
Host PBX Access Code/Special Carrier Access Code
TRS checks can be carried out on telephone numbers dialed using a Host PBX Access code (
→
1.8.5
Host PBX Access Code (Access Code to the Telephone Company from a Host PBX)) or Special Carrier
Access code (
→
1.16.2 Special Carrier Access Code).
Denied Code Tables
Exception Code Tables
Level 1
Not Programmable
Not Programmable
Level 2
011
Leading number to deny
international calls
011xx
Leading number for country to be
allowed
Level 3
1123755
Leading number to deny cellular
phone calls
1123755
xxxx
Number for cellular phones to be
allowed
Level 4
011
Leading number to deny
international and long distance
calls
1315
Long distance numbers for
states/cities to be allowed, and
leading number of cellular
phones
1530
1
1123755
:
:
:
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Страница 364: ...Index 364 Feature Manual X XDP EXtra Device Port 95 XDP Digital 193 XDP Wireless 338 ...
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