HTC touch viva User Manual - Page 53

Using Phone Features 53 To set up a conference call 1. Either put a call on hold, and dial a second number; or, accept a second incoming call when you already have one in progress. Tip To dial a second number, tap on the screen. 2. Tap . Note Not all mobile phone networks support conference calling. Contact your wireless service provider for details. To turn on and off the Speakerphone During a call, tap to toggle between turning on or off the speakerphone. Tip You can also press and hold TALK/SEND to toggle between turning on or off the speakerphone. Warning! To avoid damage to your hearing, do not hold your device against your ear when the Speakerphone is turned on. To mute the microphone during a call Tap to toggle between turning on or off the microphone. When the microphone is turned off, the mute icon appears on the screen. To open Notes while in a call Tap .