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New Features in Release 2.3
4 RN-001029-02, Release 2.3, Rev 00
IP Phone Release Notes 2.3
New Features in Release 2.3
Description
This section provides the new features in SIP IP Phone Release 2.3. These new features apply to
all of the 5i Series phones and the 9143i, 9480i, and 9480i CT phones, unless specifically stated
otherwise. Each feature also specifies whether it affects the Administrator, the User, or both.
Feature Description
Network Features
Link Layer Discovery Protocol for Media
Endpoint Devices (LLDP-MED)
(For Administrator)
The IP Phones support Link Layer Discovery Protocol
for Media Endpoint Devices (LLDP-MED).
DHCP Options 159 and 160 for the
Configuration Server
(For Administrator)
In addition to DHCP options 43 and 66 already
supported on the IP Phones, Release 2.3 provides new
DHCP Options 159 and 160.
DHCP Option 12 Hostname for the
Configuration Server
(For Administrator)
The IP Phones support DHCP Option 12 that the phone
automatically sends to the configuration server. This
option specifies the hostname (name of the client).
DHCP Option 77 User Class for the
Configuration Server
(For Administrator)
The IP Phones support DHCP Option 77 User Class,
that is sent in DHCP request packets from the phone to
the configuration server. This Option 77 defines specific
User Class identifiers to convey information about a
phone’s software configuration or about its user's
preferences.
Multiple DHCP Servers
(For Administrator)
In Release 2.3, the IP Phones can now receive
messages from multiple DHCP servers.
Security Features
Configuration File Encryption
(For Administrator)
Some vendors can have specific methods to encrypt
files on their configuration servers. For each phone, the
configuration server can generate a random hex string
(encryption key) that is used to encrypt the phone’s
MAC-specific configuration file.
HTTPS Server Certificate Validation
(For Administrator)
The HTTPS client on the IP Phones now support the
validation of HTTPS certificates.
XML Features
XML Execute Commands for Playing a WAV
File
(For XML Developers)
The IP Phones now allow a WAV file to be played or
stopped via XML Execute commands.
RTP Recording and Simultaneous Playing
(not supported on 51i)
(For XML Developers)
The IP Phones allow for RTP recording and
simultaneous playing of an audio file via XML Execute
commands.