Table of Contents / viiP0881591 Issue 01 Modular ICS 4.0 System Coordinator GuideTelephone features 147Installing Norstar telephones 147Naming a telephone or a line 149Moving telephones 149Stopping calls from ringing at your telephone using Do NotDisturb (DND) 150Stopping calls 150Refusing to answer a call 150Canceling Do Not Disturb 150Using Do Not Disturb 150Using Background Music 151Turning Background Music off 151ISDN PRI and BRI 153ISDN PRI 153ISDN PRI features 154Network Name Display for PRI 154Name and number blocking for PRI 155Emergency 911 Dialing 1552-way DID 155Call by Call service selection for PRI 156Dialing Plan and PRI 157ISDN BRI 158Line access from an ISDN terminal 159ISDN BRI features 159Network Name Display for BRI 159Name and number blocking for BRI 160Service provider features 160Call Forward 160Canceling Call Forward 161Calling the number your calls are forwarded to 161Automatic Call Back 161Automatic Recall 161ISDN BRI terminals 162ISDN applications for BRI and PRI 162Videoconferencing and video telephony 162Desktop conferencing 162File transfer 162Telecommuting 162
