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Release Notes - SIP Application Notes
Copyright © 2007 Polycom, Inc. Page 55
3.1.4 From Version 2.1.1 C to 2.1.2
3.1.4.1 Mandatory Changes
• Adding logging of version information for configuration files
In order for this new feature to work, the latest version of all configuration files must
be used.
3.1.4.2 Optional Changes
• Using different versions of configurable items in <Ethernet address>.cfg for
different phone models or platforms
Different phone models or platforms can be configured to use different application
files, configuration files, log file directory etc. See technical bulletin TB35361 for
details.
• Optimizing failover behavior for authentication signaling
Use the new parameters voIpProt.SIP.authOptimizedInFailover in sip.cfg and
reg.x.auth.optimizedInFailover in phone1.cfg to change the phone’s failover behavior
during authentication signaling if desired.
• Viewing message waiting indicators while still retaining one-touch voicemail
access when multiple lines are configured
If a phone has multiple lines with just one registration set to have
msg.mwi.x.callBackMode = “registration” and all others set to have
msg.mwi.x.callBackMode = “disabled” but it is desirable to be able to see message
waiting indicators for all lines and still retain one-touch voicemail access, set the new
parameter up.mwiVisible to 1 in sip.cfg.
3.1.5 From Version 2.1.1 to 2.1.1 C
3.1.5.1 Mandatory Changes
None.
3.1.5.2 Optional Changes
None.
3.1.6 From Version 2.1.0 to 2.1.1
3.1.6.1 Mandatory Changes
None.
3.1.6.2 Optional Changes
• Using URI from call’s contact header in refer-to header
Set the parameter voIpProt.SIP.useContactInReferTo to 1 in sip.cfg if the URI from
the initial call’s Contact header should be used in REFER’s refer-to header when
setting up a transfer. The previous and default behavior is to use the URI from the
initial call’s To header.
• Supporting G.729 Annex B SDP signalling per RFC 3555
If the new parameter voice.vad.signalAnnexB in sip.cfg is set to 1, a new attribute