Call Features77If both the office number and the mobile number of the contact are stored,select the desired number and press , , or the OK soft key to dialout.4. When the second party answers the call, you can consult with him or her beforeadding the call to the conference.5. Press the Conf. soft key again to join all parties in the conference.To join two calls in a conference via the handset:1. Place two calls on the handset.2. Select the desired call and make sure the call is active.3. Press the Options soft key, and then select Conference.Two calls are joined in the conference.To drop the conference call, press or the End soft key.You can use network conference feature to conduct a conference with multiple parties.The maximum of the parties depends on the server.This feature allows you to perform the following: Join two calls together into a conference call. Invite another party into an active conference call.To use this feature, you need to configure the network conference URI and conferencetype on the phone in advance. Contact your system administrator for the conferenceURI.To configure network conference feature via web user interface:1. Click on Account->Advanced.2. Select the desired account from the pull-down list of Account.3. Select Network Conference from the pull-down list of Conference Type.