Cisco Cisco TelePresence Video Communication Server Expressway 관리 매뉴얼
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The DNS lookup tool allows you to select which DNS servers (from the configured set of default DNS servers)
to use for the lookup.
to use for the lookup.
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The automated protection service now supports IPv6 addresses.
Changed functionality
Access to the systemunit.xml file is now protected. Only authenticated VCS administrator accounts can access the
file. This may affect the discovery of VCS by Cisco TMS.
file. This may affect the discovery of VCS by Cisco TMS.
Call status and call history now indicates components routed through the B2BUA for encryption or ICE support with a
component type of 'B2BUA' (formerly 'Encryption B2BUA').
component type of 'B2BUA' (formerly 'Encryption B2BUA').
Note:
The combination of having static NAT mode on and having the B2BUA engaged to do media
encryption/decryption can cause the firewall outside the VCS Expressway to mistrust packets originating from the
VCS Expressway. You can work around this by configuring the firewall to allow NAT reflection. If your firewall cannot
allow this, you must configure the traversal path such that the B2BUA on the VCS Expressway is not engaged.
VCS Expressway. You can work around this by configuring the firewall to allow NAT reflection. If your firewall cannot
allow this, you must configure the traversal path such that the B2BUA on the VCS Expressway is not engaged.
X8.1.1
Unified Communications: mobile and remote access
Cisco Unified Communications mobile and remote access is a core part of the Cisco Collaboration Edge Architecture.
It allows endpoints such as Cisco Jabber to have their registration, call control, provisioning, messaging and
presence services provided by Cisco Unified Communications Manager (Unified CM) when the endpoint is not within
the enterprise network. The VCS provides secure firewall traversal and line-side support for Unified CM registrations.
It allows endpoints such as Cisco Jabber to have their registration, call control, provisioning, messaging and
presence services provided by Cisco Unified Communications Manager (Unified CM) when the endpoint is not within
the enterprise network. The VCS provides secure firewall traversal and line-side support for Unified CM registrations.
Support to modify Maximum transmission unit (MTU) size
You can configure the maximum transmission unit (MTU) for each network interface on the System > IP page.
Diagnostic logging
The tcpdump facility has been removed from the Diagnostic logging tool.
Jabber Guest
Jabber Guest support has been removed (it was previously provided as a feature preview in X8.1). It will be
reintroduced in a future release of VCS software.
reintroduced in a future release of VCS software.
X8.1
Microsoft Lync 2013 / H.264 SVC support
The Microsoft Lync B2BUA now supports calls to and from Microsoft Lync 2013 clients. It provides interworking
between standard H.264 AVC and Lync 2013's H.264UC SVC codec. To use Lync 2013 you must install the
Microsoft Interoperability option key (formerly known as the Enhanced OCS Collaboration option key). Note that for
Lync 2010, the Microsoft Interoperability option key requirements remain as per previous releases (i.e. it is required
for encrypted calls to and from Microsoft Lync Server and for establishing ICE calls to Lync clients).
between standard H.264 AVC and Lync 2013's H.264UC SVC codec. To use Lync 2013 you must install the
Microsoft Interoperability option key (formerly known as the Enhanced OCS Collaboration option key). Note that for
Lync 2010, the Microsoft Interoperability option key requirements remain as per previous releases (i.e. it is required
for encrypted calls to and from Microsoft Lync Server and for establishing ICE calls to Lync clients).
Presentation sharing via Lync 2013 is supported but only from VCS to Lync.
Support for standards-based H.264 SVC codecs
The B2BUA now supports calls to standards-based H.264 SVC codecs.
Improved performance and scalability
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VCS X8.1 software can take advantage of the improved performance and scalability capabilities that are
available when running on Large VM server deployments. It can support up to 500 traversal calls, 750 non-
traversal calls and 5000 registrations. Note that standard VCS appliances or equivalent VM hardware still
available when running on Large VM server deployments. It can support up to 500 traversal calls, 750 non-
traversal calls and 5000 registrations. Note that standard VCS appliances or equivalent VM hardware still
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Cisco TelePresence Video Communication Server Administrator Guide