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Polycom UC Software 4.0.4 Release Notes
106
Understanding Updates to SIP 3.2.2
This section lists additions and changes, removals, enhancements, and configuration file
parameter changes to SIP 3.2.2 beside their respective Polycom tracking ID number.
New or Enhanced Features
41450 Change of the real time operating system (applies to VVX 1500).
43760 H.323 signaling protocol support for video (applies to VVX 1500).
43862 Support for Webkit browser to replace the XHTML browser (applies to VVX 1500).
45172 Support for iLBC audio codec (applies to VVX 1500).
47173 Support for H.261 video codec (applies to VVX 1500).
48557 Max video bit rate defaults to 384 kbps (applies to VVX 1500).
48743 Upgraded curl library to version 7.19 (applies to VVX 1500).
48961 Support for H.235 security (applies to VVX 1500).
49069 Added support for iLBC audio codec (applies to SoundStation IP 6000 and 7000).
49079 Support for mutual TLS authentication (applies to VVX 1500).
49277 Support for LLDP protocol (applies to VVX 1500).
49430 Added ITU-T G.719 vocoder (applies to VVX 1500).
50125 Outgoing calls support dual (SIP /H.323) protocols (applies to VVX 1500).
51084 Support for video fast update request via RTCP, RFC 5104 (applies to VVX 1500).
52944 Menu support applicable to H.323 usage (applies to VVX 1500).
53849 Formalized support for DTMF via SIP INFO (initially supported in SIP 3.2.0).
54025 Increased maximum size of contact directory to 128 to facilitate complex dialing
scenarios.
54239 Added user accessible menu option to select the video call rate. Default configured
using the configuration parameter
video.callRate (applies to VVX 1500).
Discontinued Features
52522 Removed Launchpad Feature (applies to VVX 1500).
Enhanced Capabilities
44782 Improved phone UI response when a local conference is active (applies to VVX 1500).
44980 Phone falls back to configured video codec configuration for Tx video when incoming
signaling lacks codec modifiers (applies to VVX 1500).
47023 Text font no longer randomly changes (applies to VVX 1500).