DR2

DR3

CTX

DR4

DR5

CTX+

Accidental Disconnect

X

Answer Buttons

X

Auto Answer

N

Autodial Keys

X

E

Automatic Line Selection

X

Automatic Set Relocation

E

Auxiliary Ringing

E

Background Music

Busy Lamp Indication

Button Inquiry

E

Call Display when busy

Call Duration timer

Call Forward All Calls

E

Call Forward No Answer

E

Call Forward On Busy

N

E

Call Forward Override

E

Call Park

E

  • Prefix Digits

E

Call Pickup

E

E

  • Directed

  • Group

Call Queuing

N

Camp On (Call Waiting)

N

Class of Service

N

CMS/CLASS Call Info Session

N

CMS/CLASS Name Display

N

CMS/CLASS Number Display

N

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

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

X

X

X

X

X

  • Short tones - External

X

X

X

X

X

X

  • Short tones - Internal

X

X

X

X

X

X

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