USAO - Quick Reference Guide for Digital Telephone Usage

General Feature Codes Commonly Used
Feature codes listed always require the ∞ (infinity key) first, then the code:

Background Music (when available) On/Off	7313
Call Forward All Calls	7355
Call Forward if Busy	7357
Call Forward if No Answer	7356
Call Forward if No Answer/Busy	7358
Call Logs (only for LCD-display phones)	7333
Call Pick-up (another extension)	4
Conference Calls	5
Do-Not-Disturb	7370
Do-Not-Disturb Cancel	7371
Do-Not-Disturb On/Off	7372
Set Feature Keys to Default	7395
Group Listen	7312
Hold	7366
Hookflash	7330
Messages (Review waiting)	7365
Cancel Message That You Left	7366
Cancel Message On Your Phone	7368
Mute On/Off	7314
Program Feature Keys	7397
Record-A-Call	7385
Redial	7380
Reminder Message	7305
Cancel Reminder Message	7306
Reverse Transfer (also known as Call Pick-up)	4
Review Feature Key Programming	7396
Ring Tone Selection	7398
Transfer to Hold	7346
Transfer to Ring	7345