Making Calls from 480i CT Base Station
Dialing a Number
First, take the phone
Tue May 17 10:19am
L1 Dial 
> 201
Using Handsfree Speakerphone
The handsfree feature allows you to speak to someone without using the handset or headset. Your phone must be in either the speaker or speaker/headset audio mode.
•To dial using handsfree, first press dand enter a number at the dial tone.
•To answer a call on the 480i CT Base Station using Handsfree, press d.
•If in speaker audio mode, press dto switch between handsfree and handset.
•If in speaker/headset audio mode, press dto switch between handsfree and headset.
•When the handset is on hook, press dto disconnect a hands- free call.
•When handsfree is on, the speaker light turns on.
12/IP Phone User Guide
Using a Headset
The 480i CT accepts headsets through the modular RJ22 jack on the back of the phone. Contact your telephone equipment retailer or distributor to purchase a compatible headset. Customers should read and observe all safety recommendations contained in headset operating guides when using any headset.
Advanced Volume Controls for the Headset Mic
On the 480i CT, there are 3 options for the headset microphone volume.
To change this volume:
1.Press %.
2.Use sto scroll down the list of options to 7.Set Audio and press the Show softkey, or you can press 7 to jump directly to this option.
3.Press the Advanced softkey.
4.Use sto scroll down the list or press the Change softkey to go to the next selection.
5.Press the Done softkey to save changes and exit.
6.If you do not wish to save changes, press the Cancel softkey.
Note: By default, the volume for the headset microphone is set to medium.