Yealink CP920 User Guide68If you want to delete all paging groups, you can tap Delete All.Sending a Paging by a Multicast Paging KeyBefore You BeginCheck with your system administrator if the Multicast Paging key has set for your phone.Procedure1. Tap the Multicast Paging key when the phone is idle.Both your phone and receiver’s phone play a warning tone and the multicast RTP session will be automaticallyanswered on the receiver’s phone in the speakerphone (hands-free) mode.Mute key LED indicators glow solid green.The following figure shows a multicast RTP session on the phone:Sending Pages by a Paging List KeyBefore You BeginCheck with your system administrator if the Paging List key has set for your phone.Procedure1. Tap the paging list key when the phone is idle.2. Tap the desired paging group.3. Tap Paging to send RTP.Both your phone and receiver’s phone play a warning tone and the multicast RTP session will be automaticallyanswered on the receiver’s phone in the speakerphone (hands-free) mode.Receiving Multicast PagingYour system administrator has set a listening paging group for you, and then you can receive a paging call when thephone is idle. The paging call is automatically answered on your phone.When there is a voice call or a paging call in progress, the phone handles the new paging call differently according tothe multicast listening settings configured by your system administrator.Managing a Paging CallDuring a paging call, you can do the following:l Tap Hold to place the current paging call on hold.The paging call is placed on hold and the receiver releases the session.l Tap Resume to resume the held paging call.