Contents
vi 
■ System Release Status (F59) 5-262
■ System Reset—Programming Saved (#728)  5-263
■ System Speed Dial Numbers  5-265
■ System Time (#103)  5-268
■ Toll Call Prefix (#402)  5-269
■ Touch-Tone Enable (F08)  5-270
■ Transfer Return Extension (#306)  5-271
■ Transfer Return Rings (#105)  5-273
■ Transferring Calls  5-275
■ Unique Line Ringing (#209)—Release 3.0 or Later 5-279
■ VMS Cover (F15)  5-280
■ VMS Cover Rings (#117)—
Release 2.0 or Earlier 5-282
■ VMS Cover Rings (#321)—
Release 3.0 or Later 5-283
■ VMS Hunt Delay (#506)  5-284
■ VMS Hunt Schedule (#507)  5-286
■ Voice Interrupt On Busy (#312)  5-288
■ Voice Interrupt On Busy Talk-Back (F18)  5-290
■ Voice Mailbox Transfer (F14)  5-292
■ Wake Up Service Button (#115)  5-294
6  Troubleshooting  6-1
■ Customer Self Service Center
on the Internet 6-1
■ When You Need Help  6-1
■ Power Failure Operation  6-2
■ Battery Replacement 6-2
■ Clearing a Backup-Failure Alarm 6-3
■ Problems with System Phones 6-4
■ Problems with Standard Phones 6-8
■ Other Problems with Phones 6-10
■ Problems with Combination Extensions 6-15
■ Problems with Standard Devices 6-16
■ Problems with Automatic Backup 6-17
■ Problems with Manual Backup 6-20
■ Problems with System Restore 6-22