IP Phone User Manual
1.5 Making Call Features
Feature Guide 81
1.5.4.8 Special Carrier Access Code
Description
If the PBX has access to multiple telephone companies, a Special Carrier Access code 
assigned through system programming (  Special Carrier Access Code [303]) is required 
every time when a trunk call is made. 
A preprogrammed Pause time (  LCOT Pause Time [416]) will be automatically inserted 
between the user-dialled Special Carrier Access code and the following digits. (  1.5.4.6 
Pause Insertion)
Conditions
• TRS/Barring
TRS/Barring checks only the dialled telephone number excluding the Special Carrier 
Access code. (  1.8.1 Toll Restriction (TRS)/Call Barring (Barring))
• If this PBX is installed behind an existing host PBX:
A Special Carrier Access code and a Host PBX Access code should be assigned 
separately: these codes cannot be assigned together as one code. (  1.5.4.7 Host PBX 
Access Code (Access Code to the Telephone Company from a Host PBX))










