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Abbreviated dialing
Agent features
Alert calling
Attendant
Authority code
Auto answer
Auto hold
Auto line selection
Auto transfer
Call forwarding
Call parking
Call pickup
Call transfer
Callback
Camp- on
Class-Of-Service
Conferencing
DISA
Distinctive ring
Do Not Disturb
Drop timeout
Exchange lines
External loud bell
External paging
Feature check
Feature codes
Forced Account Code
Forced call diversion
Group listen
Headset mode
Hold
Hot keypad
Hotline
Least Cost Routing
Lock / Unlock
Look-up
Messages
Music-on-hold
Mute
Names
No-ring transfer
Numbering plan
Off-hook Voice-Announce
Paging
Power-fail telephones
Private-to
Re-dialling
Reminder service
Service modes
SMDR
Tenant groups
Toll Restriction
U.C.D.
Virtual numbers |
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Numbering Plan The system numbering plan is totally flexible. Any system
directory-number or resource-number allocation can be changed to suit any site-dependent
numbering-plan requirements. The Operator Code, LCR Code and Trunk Route Directory numbers
can be from one to four digits in length. All other directory numbers can be from two to
four digits long.
The default numbering plan is:
| Resource |
Assigned Numbers |
| Extension numbers |
200 - 399 |
| Paging Groups |
400 - 429 |
| UCD Groups |
430 - 459 |
| Call pickup Groups |
460-489 |
| Abbreviated numbers |
500 - 599 (individual)
600 - 699 (system) |
| Exchange lines |
700 - 789 |
| Background music |
800 - 809 |
| Loud Bell |
810 - 819 |
| External Paging Amplifier |
820 - 829 |
| Virtual Numbers |
830 - 859 |
Note that there are more numbers allocated to some
resources than there are physical resources available on the system. The lowest numbered
resource is resource #1 i.e. UCD #1 is 430, UCD #2 is 431, Call Pickup Group #1 is 460,
etc,
| Benefits |
The system numbering plan can be changed to meet specific
site requirements. The most commonly requested change is to swap the 0 and 9 dialling
codes for "operator" and "exchange line". As an example of a more extensive change, a Hytel system installed in a
retirement village had the numbering plan changed so that the extension numbers were in
the 500-699 range. This allowed the extension number to reflect the existing number of
each individual house in the village. The abbreviated numbers were changed to the 200-399
series. An emergency call from extension 512 immediately identified the source as house #
512. |
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