| Features |
Code Name |
Description |
| Single Features |
| Universal International Subscription Number |
UISN |
Maps many countries to a single access number |
| Ordinary Call Transfer |
OCT |
Incoming calls are directed to a specified line |
| Area Based Routing |
ABR |
Calls are directed to a specific line depending on where the
call is made |
| Time Dependent Routing |
TDR |
Calls are directed to a specific line depending on when the
call is made |
| Call Distribution |
CD |
Total number of incoming calls are distributed to different
lines according to specified percentages |
| VIP Based Routing |
VIP |
Directs call in the VIP group list to a special termination
number or specifc announcement |
| Value Added Features |
| Call Hold with Announcement/Call or Call Limit |
CH/CL |
When all lines are busy, calls are put on hold and caller will
be informed of their Queuing position in queue |
| Call Forwarding on Busy/No Answer |
CF |
Redirects a call to another number when line is busy or when
there is no answer |
| Authentication |
AUTC |
A security feature, callers have to enter their account number
and PIN to make calls |
| Personal Indentification Number |
PIN |
A number to validate a caller's access to the service |
| Call Screening - Incoming Screening on Allowing List |
ICSAL |
Allow only calls from numbers within the Call customer specific
list to go through |
| Incoming Call Screening on Barring List |
ICSBL |
Prevents calls from numbers within the customer speciific list
to get through |
