1.13.3 Call Splitting .................................................................................................................178
1.13.4 Music on Hold ...............................................................................................................179
1.14 Conference Features ....................................................................................................181
1.14.1 Conference Features ....................................................................................................181
1.14.1.1 Conference Features—SUMMARY ...........................................................................181
1.14.1.2 Conference ................................................................................................................182
1.14.1.3 Privacy Release .........................................................................................................184
1.15 Paging Features ............................................................................................................185
1.15.1 Paging ..........................................................................................................................185
1.16 Broadcasting Features .................................................................................................188
1.16.1 Broadcasting ................................................................................................................188
1.17 Optional Device Features .............................................................................................190
1.17.1 Doorphone Call ............................................................................................................190
1.17.2 Door Open ....................................................................................................................192
1.17.3 Trunk Answer From Any Station (TAFAS) ...................................................................193
1.17.4 Background Music (BGM) ............................................................................................194
1.17.5 Outgoing Message (OGM) ...........................................................................................195
1.17.6 Direct Inward System Access (DISA) ...........................................................................198
1.17.7 External Sensor ............................................................................................................207
1.17.8 External Relay Control .................................................................................................209
1.18 Caller ID Features ..........................................................................................................210
1.18.1 Caller ID .......................................................................................................................210
1.18.2 Incoming Call Log .........................................................................................................215
1.19 Message Features .........................................................................................................217
1.19.1 Message Waiting ..........................................................................................................217
1.19.2 Absent Message ...........................................................................................................221
1.20 Proprietary Telephone (PT) Features ..........................................................................223
1.20.1 Fixed Buttons ...............................................................................................................223
1.20.2 Flexible Buttons ............................................................................................................226
1.20.3 LED Indication ..............................................................................................................229
1.20.4 Display Information .......................................................................................................232
1.21 Integrated Services Digital Network (ISDN) Service Features ..................................234
1.21.1 Integrated Services Digital Network (ISDN) .................................................................234
1.21.1.1 Integrated Services Digital Network (ISDN)—SUMMARY ........................................234
1.21.1.2 Calling/Connected Line Identification Presentation (CLIP/COLP) .............................239
1.21.1.3 Advice of Charge (AOC) ............................................................................................242
1.21.1.4 Call Forwarding (CF)—by ISDN (P-MP) ....................................................................243
1.21.1.5 Call Forwarding (CF)—by ISDN (P-P) .......................................................................245
1.21.1.6 Call Hold (HOLD)—by ISDN ......................................................................................247
1.21.1.7 Call Transfer (CT)—by ISDN .....................................................................................248
1.21.1.8 Three-party Conference (3PTY)—by ISDN ...............................................................249
1.21.1.9 Malicious Call Identification (MCID) ...........................................................................250
1.21.1.10 Completion of Calls to Busy Subscriber (CCBS) .......................................................251
1.21.1.11 ISDN Extension .........................................................................................................252
1.21.1.12 ISDN Service Access by Keypad Protocol ................................................................254
1.22 E1 Line Service Features ..............................................................................................255
1.22.1 E1 Line Service ............................................................................................................255
1.23 T1 Line Service Features ..............................................................................................257
1.23.1 T1 Line Service ............................................................................................................257
1.24 Voice Message Features ..............................................................................................259
1.24.1 Built-in Simplified Voice Message (SVM) .....................................................................259
1.24.2 Voice Mail Features ......................................................................................................266
1.24.2.1 Voice Mail (VM) Group ..............................................................................................266
1.24.2.2 Voice Mail DTMF Integration .....................................................................................269
1.24.2.3 Voice Mail DPT (Digital) Integration ..........................................................................276
Feature Guide 13
Table of Contents