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How signaling systems work
Which is right for you?
Sonic Beam Call Waiting Signaler
It alerts you with a flash when you have another call coming in. Simply press the flash button to switch to the second call. Press the button again to return to your first call. It�s easy to install and it can even be used with TTYs in acoustic mode or direct connect. Don�t miss another call with the Call Waiting Signaler!
� Alerts you when you have another call coming in�
� Touch of a button switches you from one call to another
� Lights up when you start a call or the line is ringing
� Light will go out when the person answers or the line is busy
� Easy to install
� Must have Call Waiting service from your local telephone company.