Cisco Cisco TelePresence Video Communication Server Expressway 관리 매뉴얼
■
Off: the VCS does not proxy any registration requests. They are rejected with a “403 Forbidden” message.
■
Proxy to known only: the VCS proxies the request in accordance with existing call processing rules, but only to
known neighbor, traversal client and traversal server zones.
known neighbor, traversal client and traversal server zones.
■
Proxy to any: this is the same as Proxy to known only but for all zone types i.e. it also includes ENUM and DNS
zones.
zones.
If your network is set up to proxy registration requests, we recommend that you disable GRUU on the VCS systems
that are acting as a Registrar for those proxied requests. If GRUU is left enabled, Presence may not work properly for
the proxy registered endpoints.
that are acting as a Registrar for those proxied requests. If GRUU is left enabled, Presence may not work properly for
the proxy registered endpoints.
GRUU can only be disabled via the CLI (
xConfiguration SIP GRUU Mode: Off
).
Accepting proxied registration requests
, you can also
control whether the VCS accepts the registration depending upon the zone through which the request was received.
You do this through the Accept proxied registrations setting when
You do this through the Accept proxied registrations setting when
Proxied registrations are classified as belonging to the zone they were last proxied from. This is different from non-
proxied registration requests which are assigned to a subzone within the VCS.
proxied registration requests which are assigned to a subzone within the VCS.
VCS as a SIP Presence Server
The VCS supports the SIP-based SIMPLE protocol. It can act as a Presence Server and Presence User Agent for any
of the SIP domains for which it is authoritative. For full information on how to enable and use the VCS as a SIP
Presence server, see the
of the SIP domains for which it is authoritative. For full information on how to enable and use the VCS as a SIP
Presence server, see the
Configuring SIP
The SIP page (Configuration > Protocols > SIP) is used to configure the SIP settings on the VCS, including:
■
SIP functionality and SIP-specific transport modes and ports
■
certificate revocation checking modes for TLS connections
■
registration controls for standard and outbound registrations
■
SIP Functionality and SIP-Specific Transport Modes and Ports
This section contains the basic settings for enabling SIP functionality and for configuring the various SIP-specific
transport modes and ports. The configurable options are:
transport modes and ports. The configurable options are:
Field
Description
Usage tips
SIP mode
Enables and disables SIP functionality (SIP registrar and
SIP proxy services) on the VCS. Default is On.
SIP proxy services) on the VCS. Default is On.
This mode must be enabled to use
either the Presence Server or the
Presence User Agent.
either the Presence Server or the
Presence User Agent.
104
Cisco TelePresence Video Communication Server Administrator Guide
Protocols