Call Features81The mute key LED goes out on all IP phones except the SIP-T40P/T40G IP phone.TipYou can also mute the microphone while phone is dialing or ringing, so that the other party cannot hear you when the call isset up.Keep MuteIn a call center or meet room, if incoming calls are answered automatically, the callers may hear your discussion withyour colleagues. You can mute the phone in an idle state to prevent the unintended situation. The mute state of yourphone persists across calls. The phone stays in the mute state until you unmute the microphone manually or until thephone restarts.Before You BeginCheck with your system administrator if keep mute is configured on your phone.Procedure1. Press the MUTE key when the phone is idle.The mute key LED glows red except on the SIP-T40P/T40G IP phone, and the mute icon appears on the Idle screenexcept the SIP-T42S/T42G/T41S/T41P IP phone.2. Press the MUTE key again to deactivate the mute state.Call HoldYou can place an active call on hold and resume the call when you are ready. When you place a call on hold, your IPPBX may play music to the other party while waiting.TopicsHolding a CallResuming a Held CallSwapping Between Active and Held CallsHolding a CallProcedure1. Press the HOLD key or Hold during a call.The LCD screen indicates that the call is on hold.