MGC-25/50/100 MGC+50/100 - Polycom
MGC-25/50/100 MGC+50/100 - Polycom
MGC-25/50/100 MGC+50/100 - Polycom
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<strong>MGC</strong> Release Notes - Version 7.5<br />
2<br />
Table 1: New Features List (Continued)<br />
Category Feature Name Description<br />
8. IP SIP REINVITE SIP protocol allows ways of changing<br />
one or more parameters in an existing<br />
session. It is performed by sending a<br />
REINVITE request with the desirable<br />
mode to the other SIP entities in the<br />
conference.<br />
Version 7.5 supports the SIP REINVITE<br />
request sent by the remote SIP endpoint<br />
to the <strong>MGC</strong> in the following instances:<br />
• Party Media - change in the<br />
participant’s IP address.<br />
• Conference Media - change in the<br />
participant status that is informed to<br />
the conference, such as mute and<br />
hold.<br />
• Change Mode - changes that affect<br />
the conference media and may affect<br />
other participants as a result, such as<br />
change in the video protocol.<br />
• Later Video - Upgrade the SIP<br />
connection from audio only to video.<br />
9. IP SIP OPTIONS Support for SIP RFC-3261 (OPTIONS)<br />
that allows a UA (User Agent) to query<br />
another UA or a proxy server for its SIP<br />
and media capabilities.<br />
10. IP SIP REFER Support for SIP RFC-3265 (REFER) that<br />
instructs the recipient of the REFER<br />
request to contact a third party using the<br />
contact information included with the<br />
REFER request. This allows any SIP UA<br />
to send the URI of another UA to the<br />
conference and instructs the conference<br />
to create a new dial-out participant and<br />
dial to it.<br />
11. IP SIP Factory Allows SIP endpoints to create ad hoc<br />
conference and automatically connect to<br />
the conference.<br />
12. IP Microsoft LCS support This version supports multipoint SIP<br />
conferencing in a Microsoft environment:<br />
• Microsoft LCS 2005, SP1,<br />
• Office Communicator version 1.0,<br />
• Windows Messenger version 5.1,<br />
• Installed desktop and group video<br />
conferencing systems PVX versions<br />
8.0 & 8.0.1; VSX 8.0 & 8.0.3.<br />
• <strong>MGC</strong> Manager 7.5<br />
Note: This product requires purchase of<br />
a license.