Table of ContentsxiiiSIP Session Timer ......................................................................................................................... 104Session Timer ............................................................................................................................... 105Call Hold....................................................................................................................................... 107Call Forward ................................................................................................................................ 110Call Transfer ................................................................................................................................. 116Network Conference ................................................................................................................... 117Transfer on Conference Hang Up .............................................................................................. 118Directed Call Pickup .................................................................................................................... 119Group Call Pickup........................................................................................................................ 122Dialog Info Call Pickup ................................................................................................................ 125Call Return .................................................................................................................................... 127Call Park ....................................................................................................................................... 128Calling Line Identification Presentation ..................................................................................... 129Connected Line Identification Presentation .............................................................................. 131DTMF ............................................................................................................................................. 132Suppress DTMF Display .............................................................................................................. 135Transfer via DTMF ........................................................................................................................ 136Intercom........................................................................................................................................ 137Outgoing Intercom Calls...................................................................................................... 137Incoming Intercom Calls ...................................................................................................... 138Configuring Advanced Features...........................................141Distinctive Ring Tones .................................................................................................................. 141Tones ............................................................................................................................................. 146Remote Phone Book .................................................................................................................... 148LDAP .............................................................................................................................................. 150Busy Lamp Field ........................................................................................................................... 153Automatic Call Distribution ......................................................................................................... 159Message Waiting Indicator ........................................................................................................ 162Multicast Paging .......................................................................................................................... 164Sending RTP Stream ............................................................................................................. 164Receiving RTP Stream .......................................................................................................... 166Call Recording ............................................................................................................................. 168Hot Desking .................................................................................................................................. 172Action URL .................................................................................................................................... 173Action URI ..................................................................................................................................... 176Server Redundancy ..................................................................................................................... 179SIP Server Domain Name Resolution.................................................................................. 183LLDP............................................................................................................................................... 186VLAN ............................................................................................................................................. 189VPN................................................................................................................................................ 192Quality of Service ........................................................................................................................ 195Network Address Translation ..................................................................................................... 197802.1X Authentication ................................................................................................................. 199