User Guide SIP-T28P IP Phone60To join two calls in a conference:1. Place two calls using two different accounts on the phone (for example, place thefirst call using account 1, and then place the second call using account 2).2. Press or to select the call for conference and make sure the call is active(for example, select the call on account 1).3. Press or the Conf soft key to join the two calls in the conference on account 1.You can press or the Hold soft key to place the conference on hold. You can pressthe Split soft key to split the conference call into two individual calls. To drop theconference call, press the Cancel soft key.You can use network conference feature on the SIP-T28P IP phone to conduct aconference with multiple participants.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, contact your system administrator for the network conference-URI inadvance, and configure the phone via web user interface:1. Click on Account->Advanced.2. Select the desired conference type from the pull-down list of Conference Type.3. Enter the conference URI (e.g. conference@example.com) in the Conference URIfield.4. Click Confirm to accept the change.To set up a network conference call:1. Place a call to the first party.2. Press or the Conf soft key to create a new call.The active call is placed on hold.3. Enter the number of the second party and press , , or the Send soft key.4. When the second party answers the call, press or the Conf soft key to add thesecond party to the conference.5. Press the Conf soft key to create a new call.The conference is placed on hold.6. Enter the number of the new party and then press , , or the Send soft key.7. When the new party answers the call, press or the Conf soft key to add thenew party to the conference.8. Repeat steps 5 to 7 until you have added all intended parties.