Grandstream Networks 29578 - Manuel (Page 20)

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Mute
Use the mute button to interrupt a phone conversation to
talk privately with someone else in the room . A conversation
can be muted while using the speakerphone, handset or
neckloop.
1. Press the mute button. The mute indicator illuminates.
2. Press mute again to turn it off.
Note: Switching from speakerphone to handset
cancels mute.
Vibrating Alert
The unit is equipped with a 2.5mm vibrating alert jack for an
optional vibrating pad to alert you when the phone is ringing.
Simply plug the vibrating alert into the jack . When the phone
rings, the pad will vibrate with each ring of the phone.
Flash
Press the flash button to activate customer calling services
such as call waiting or call transfer, which are provided by
your local phone company.