BlueAnt Sense Speakerphone (S3 Compact) - Manual (Page 12)

12
Redial and Call Back
> Hold down the + symbol for about 3 seconds to redial the last outgoing call.
> Hold down the - symbol for about 3 seconds to call back the last incoming call.
Switching Between Multiple Calls (Call Waiting)*
> Tap the - symbol to end your call and answer an incoming call.
> Tap the + symbol to put your call on hold and answer an incoming call.
> Tap the + symbol to switch between an active and a held call.
* To use this feature, your phone and network must support call waiting.