6To mute or un-mute a call:1. Press to mute the microphone or press it again to un-mute the microphone during a call.To place a call on hold:1. Press or tap Hold during an active call.To resume the held call, do one of the following:- If there is only one call on hold, press or tap Resume.- If there is more than one call on hold, tap the call you want to resume, and then press or tapResume.Initiate a Conference CallYou can initiate a Skype for Business conference call by meet now or calling a group of Skype forBusiness contacts.To initiate a conference call:1. Tap Menu->Meet Now-> .2. Select a contact and tap Call.3. Tap to add additional contacts.To initiate a conference call within a Skype for Business group:1. Tap Contacts.2. Tap the desired Skype for Business group.3. Tap Dial All to dial all Skype for Business contacts in this group.Call ForwardYou can enable the call forward feature to forward all incoming calls to the desired destination.To enable call forward:1. Tap Menu->Setting->Features->Call Forward.2. Tap the On radio box of the Call Forward field.3. Tap the desired type.4. Tap Save to accept the change.You can also forward an incoming call when your phone is ringing.To forward an incoming call to a contact when your phone is ringing:1. Tap Forward.2. Select a contact and tap .To forward an incoming call to voicemail when your phone is ringing:1. Tap FWD VM.Call TransferYou can transfer a call in the following ways:To perform a blind transfer during a call:1. Press or tap Blind Tran during an active call. The call is placed on hold.2. Select a contact.3. Press or tap Transfer to complete the transfer.Then the call is connected to the number to which you are transferring.To perform a consultative transfer:1. Tap Transfer during an active call. The call is placed on hold.2. Select a contact and then tap Call.3. After the party answers the call, press or tap Transfer to complete the transfer.