Call appearance/feature buttons

Redial button

Select button

Mute button

Speaker button

Volume button

At least 2 of these buttons are devoted to handling incoming and outgoing calls (call appearances) and are labeled with an extension number; the remainder are call appearances or access features (feature buttons) and are labeled with a feature name. Each button has a red light and a green light.

For redialing the last voice number dialed.

Used to access a second level of features on the

ìRedial ü, ì Drop Test ü, ì Transfer Clock ü, and ì Conference Ring ü and

secondary feature buttons.

Press to have a conversation at your end without the person at the far end hearing. Mute works with both the handset and the Speakerphone.

If your terminal is programmed with a Speakerphone or SPOKESMAN® loudspeaker, this button is used to turn the speaker on or off.

When on a call, used to decrease or increase the volume of the handset speaker, Speakerphone loudspeaker, or the SPOKESMAN loudspeaker. When not on a call, used to decrease or increase the ringer volume.

Transfer button

For transferring a call to another voice terminal.

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AT&T ISDN 7505, ISDN 7507, ISDN 7506 manual