Setup guide

Updates to Previous Software Releases
27
77878 The phone now includes the Allow-Events header in its 200 OK after auto answering.
77505 In a conference, the phone now includes SAVP in the invite SDP when using SRTP.
77363 The phone is now capable of handling an increased number of contacts (around 50)
under its buddy watch presence list (applies to VVX 500).
77287 The usage of table element in the phone microbrowser is now handled appropriately.
77192 The line identification address can now handle “+” sign when adding a line using phone
web browser.
76985 Dial tone issues have been fixed for PSTN calls and the configured country is the UK
(applies to SoundStation Duo).
76936 The number of rings set for the “call forward no answer” option is now persistent when
enabled/disabled.
74823 The phone ringtone type “Loud ringer” volume is improved.
Configuration File Enhancements
Refer to the following table for a list of all enhancements made to the UC software 4.0.3
configuration file parameters.
Table 8: Software Version 4.0.3 – Configuration File Parameter Enhancements
File Modification Parameter Modification Description
feature Added
voIpProt.SIP.useRFC3264HoldOnly
1 Phone always
uses RFC3264 during hold
0 Phone uses RF3264 or
RFC2543 during hold
based on the response
from far end (default)
Note: Also refer to configuration parameter changes in UC software 4.0.2 Rev B and 4.0.2.
Understanding Updates to UC Software 4.0.2 Rev B
This section lists additions and changes, removals, enhancements, and configuration file
parameter changes to the UC Software 4.0.2 Rev B beside their respective Polycom tracking
identification number.
New or Enhanced Features
72403 Added support for DHCP renews after loss and recovery of Wi-Fi LAN connection
(applies to SpectraLink 8400).