HTC HTC S621 To switch between calls, To set up a conference call, Click Menu Conference

Using Phone Features 37

To switch between calls

•To switch between two calls, click Swap

To set up a conference call

1.Either put a call on hold and dial a second number, or, answer a second incoming call during a call.

2.Click Menu > Conference

Notes

•If the conference connection is successful, the word “Conference” appears at the top of the screen.

•To add additional persons to your conference call, click Menu > Hold, enter the phone number, and then click Resume to return to the call.

•Not all service providers support conference call. Contact your service provider for details.

To turn on and off the Speakerphone

The built-in Speakerphone allows you to talk hands-free or lets other people listen to the conversation.

•During a call, click Menu > Speakerphone On . The icon appears at the top of the screen.

•To turn off the Speakerphone during the call, click Menu > Speakerphone Off. Alternatively, the speakerphone can be toggled on and off by pressing and holding the TALK key during the call.

WARNING! To avoid damage to your hearing, do not hold your phone against your ear when the Speakerphone is turned on.

To mute a call

You can turn off the microphone during a call, so that you can hear the caller but the caller cannot hear you.

•During a call, click Menu > Mute

When the microphone is turned off, the icon appears on the screen. Click Menu > Unmute to turn on the microphone again.