Specifications

Configuring Advanced Features
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This chapter provides information for making configuration changes for the following
advanced features:
 Distinctive Ring Tones
 Tones
 Remote Phonebook
 LDAP
 Busy Lamp Field
 Music on Hold
 Automatic Call Distribution
 Message Waiting Indicator
 Multicast Paging
 Call Recording
 Hot Desking
 Action URL
 Action URI
 Server Redundancy
 LLDP
 VLAN
 VPN
 Quality of Service
 Network Address Translation
 SNMP
 802.1X Authentication
 TR-069 Device Management
 IPv6 Support
The distinctive ring tones feature allows specific incoming calls to trigger the IP phones
to play distinctive ring tones. The IP phone inspects the INVITE request for an "Alert-Info"
header when receiving an incoming call. If the INVITE request contains an "Alert-Info"
header, the IP phone strips out the URL and keyword parameter and maps it to the