5HoldTemporarily hold the active call during the talking; pressthe key again to unhold the call. You also can press thiskey then input the third party’s phone number and endwith the # key during calling; you can make a call withthe third party and hold the previous calling.(3.1.5-Calling Hold and 3 ways call).mute Press this key in calling mode, you can hear the otherside, and the other side can not hear youRedialIn the hook off /hands-free mode, use the key to dial thelast call number; use this key to make a quick dial assoon as you select your desired number in phone bookor callers.Handfree Enter into hands-free mode.1.4. Port for connectingPOWER Power switch Select ON/OFFLAN Network port Connect it to PCWAN Network port Connect it to NetworkThe phone has two Network ports: The WAN port and the LAN port. Before you connect the power source,please carefully read Safety Notices of this user manual.2. Initial connecting and Setting2.1. Connect the phoneStep 1: Connect the IP Phone to the corporate IP telephony network. Before you connect the phone to thenetwork, please check if your network can work normally.You can do this in one of two ways, depending on how your workspace is set up.Direct network connection—by this method, you need at least one available Ethernet port in your workspace.Use the Ethernet cable in the package to connect WAN port on the back of your phone to the Ethernet port inyour workspace. Since this VoIP Phone has router functionality, whether you have a broadband router or not,you can make direct network connect. The following two figures are for your reference.