|
| X - Denotes Availability
E - Denotes Enhancements N -
Denotes new feature |
Feature |
DR2 |
DR3 |
CTX |
DR4 |
DR5 |
CTX+ |
Accidental
Disconnect |
X |
X |
X |
X |
X |
X |
Answer
Buttons |
X |
X |
X |
X |
X |
X |
Auto Answer |
|
|
|
N |
X |
|
Autodial
Keys |
X |
E |
X |
X |
X |
X |
Automatic
Line Selection |
X |
X |
X |
X |
X |
X |
Automatic
Set Relocation |
E |
X |
X |
X |
X |
X |
Auxiliary
Ringing |
X |
E |
X |
X |
X |
X |
Background
Music |
X |
X |
X |
X |
X |
X |
Busy Lamp
Indication |
X |
X |
X |
X |
X |
X |
Button
Inquiry |
X |
E |
X |
X |
X |
X |
Call Display
when busy |
X |
X |
X |
X |
X |
X |
Call
Duration timer |
X |
X |
X |
X |
X |
X |
Call Forward
All Calls |
X |
X |
E |
X |
X |
X |
Call Forward
No Answer |
X |
X |
E |
X |
X |
X |
Call Forward
On Busy |
|
N |
E |
X |
X |
X |
Call Forward
Override |
X |
X |
E |
X |
X |
X |
| Call Identification (Internal
Calls) |
X |
X |
X |
X |
X |
X |
Call Park |
X |
X |
X |
E |
X |
X |
| Prefix
Digits |
|
|
|
|
|
E |
Call Pickup |
E |
X |
E |
X |
X |
X |
| Directed |
X |
X |
X |
X |
X |
X |
| Group |
|
|
X |
X |
X |
X |
Call Queuing |
|
N |
X |
X |
X |
X |
Camp On
(Call Waiting) |
|
N |
X |
X |
X |
X |
Class of
Service |
|
|
|
N |
X |
X |
CMS/CLASS
Call Info Session |
|
|
|
|
N |
X |
| CMS/CLASS Call Log |
|
|
|
|
N-600
calls |
X |
| CMS/CLASS LOGIT (Call
Logging) |
|
|
|
|
N |
X |
| CMS/CLASS Long
Distance Indic. |
|
|
|
|
N |
X |
CMS/CLASS
Name Display |
|
|
|
|
N |
X |
CMS/CLASS
Number Display |
|
|
|
|
N |
X |
Conference |
X |
X |
E |
E |
X |
|
Custom
Business Product Compatibility |
X |
X |
X |
X |
X |
X |
Delayed Ring
Transfer |
E |
X |
X |
X |
X |
X |
Dial
"0" Station (see also direct dial) |
E |
E |
X |
E |
X |
X |
Dialing
Modes |
|
N |
X |
X |
X |
X |
| Automatic |
|
X |
X |
X |
X |
X |
| Predial |
|
X |
X |
X |
X |
X |
Dialing
Filters |
|
|
|
N |
X |
|
Direct Dial
(see also Dial "0" station) |
X |
X |
X |
E |
X |
E |
Attendant
Digit |
|
|
|
N |
X |
X |
Multiple
Attendants |
|
|
|
N |
X |
X |
Direct
Station Select buttons |
X |
X |
X |
X |
X |
X |
| DISA (Direct Inward System Access) |
|
|
|
N |
X |
|
Disconnect
Supervision |
|
N |
X |
X |
X |
X |
Discriminating
Ringing at Set |
X |
X |
X |
X |
X |
X |
Distinctive
Ringing at Set |
X |
X |
X |
X |
X |
X |
End to End
Signaling |
X |
E |
X |
X |
X |
X |
| Long
tones - External |
X |
X |
X |
X |
X |
X |
| Long
tones - Internal |
X |
X |
X |
X |
X |
X |
| Long tones - On external paging port |
|
X |
X |
X |
X |
X |
| Short
tones - External |
X |
X |
X |
X |
X |
X |
| Short
tones - Internal |
X |
X |
X |
X |
X |
X |
| Enhanced Trunking Connectivity |
|
|
|
|
|
|
with E&M
and DID |
|
|
|
N |
X |
|
Flexible
Call Restrictions & Override |
E |
E |
X |
E |
X |
X |
Group
Listening |
|
N |
X |
X |
X |
X |
Handsfree |
X |
E |
X |
X |
X |
X |
| Automatic |
|
X |
X |
X |
X |
X |
Hold |
X |
X |
E |
X |
X |
X |
Hot Line |
|
N |
X |
X |
X |
X |
Installer
Password |
X |
X |
X |
X |
X |
X |
Host System
Signaling |
E |
E |
E |
X |
X |
X |
Feature code
compression |
|
X |
X |
X |
X |
X |
Recall/ Link |
X |
X |
X |
X |
X |
X |
Pause,
run/stop, timed release |
X |
X |
X |
X |
X |
X |
Programmed
Release |
|
X |
X |
X |
X |
X |
Language
Choice |
X |
X |
X |
X |
X |
X |
Last Number
Redial |
X |
X |
X |
X |
X |
X |
Line
Redirection |
|
|
|
N |
X |
|
Line Button
Relocation |
|
N |
X |
X |
X |
X |
Line Profile |
X |
X |
X |
X |
X |
X |
Line Pool(s) |
E |
E |
X |
E |
X |
E |
| Busy
Status |
|
X |
X |
X |
X |
X |
Long Tones |
X |
E |
X |
X |
X |
X |
Maintenance
Alarms |
X |
X |
X |
X |
X |
X |
Make Set
Busy (Do Not Disturb) |
X |
X |
E |
X |
X |
X |
Night
Service - Service Modes |
E |
E |
X |
X |
X |
X |
Onhook
Dialing |
X |
E |
X |
X |
X |
X |
Paging |
E |
E |
X |
X |
E |
E |
| External |
X |
X |
X |
X |
X |
X |
| Y/N on a
Per Set Basis |
|
|
|
|
N |
N |
Priority
Call (Executive Busy Override) |
X |
X |
E |
X |
X |
X |
Privacy
Control |
|
N |
X |
X |
X |
X |
Ring Again |
E |
X |
E |
X |
X |
X |
| On Busy
Set |
X |
X |
X |
X |
X |
X |
| On Busy
Line Pool |
X |
X |
X |
X |
X |
X |
| On No
Answer (Internal) |
X |
X |
X |
X |
X |
X |
Saved Number
Redial |
X |
E |
X |
X |
X |
X |
Set Profile |
X |
X |
X |
X |
X |
X |
Speed Dial:
Personal |
X |
E |
X |
X |
X |
X |
Bypass
Restrictions |
|
X |
X |
X |
X |
X |
Line
Selection |
|
X |
X |
X |
X |
X |
Names |
|
X |
X |
X |
X |
X |
Speed Dial:
System |
E |
E |
X |
X |
X |
X |
Bypass
Restrictions |
|
X |
X |
X |
X |
X |
Line
Selection |
|
X |
X |
X |
X |
X |
Names |
|
X |
X |
X |
X |
X |
Target Lines |
|
|
|
N |
X |
|
Telephone
Admin Lock |
|
N |
X |
X |
X |
X |
Time/Date
Display |
X |
E |
X |
X |
X |
X |
| Show
Time |
|
X |
X |
X |
X |
X |
Transfer |
E |
X |
E |
E |
E |
E |
| Immediate
(Callback) |
X |
X |
X |
X |
X |
X |
| Over
Public Network |
|
|
|
X |
|
|
| With
Announcement |
X |
X |
X |
X |
X |
X |
Unsupervised
Conference |
|
|
|
N |
|
|
Voice Call |
X |
X |
X |
X |
X |
X |
Voice Call
Deny |
X |
X |
X |
X |
X |
X |