Vcs As A Sip Presence Server; Sip Configuration - Cisco TelePresence Administrator's Manual

Off: the VCS does not proxy any registration requests. They are rejected with a "403 Forbidden" message.
n
Proxy to known only: the VCS proxies the request in accordance with existing call processing rules, but
n
only to 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
n
DNS zones.
Accepting proxied registration requests
If the VCS receives a proxied registration request, in addition to the VCS's standard
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
zone.
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.

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
Movi v2.0 (or later) clients
As for any other SIP endpoint, the VCS acts as a SIP registrar and SIP proxy for Movi v2.0 (or later) clients -
no other special support or configuration is required on the VCS.

SIP configuration

The SIP page (VCS configuration > Protocols > SIP >
on the VCS, configure SIP-specific ports and settings and to configure the registration settings for standard
and Outbound registrations.
Field Description
Configuration section:
SIP mode Enables and disables SIP functionality (SIP registrar
and SIP proxy services) on the VCS. Default is On.
Cisco VCS Administrator Guide (X7.1)
Presence section.
Configuration) is used to enable and disable SIP
registration controls, you
configuring a
Usage tips
This mode must be enabled to use
either the Presence Server or the
Presence User Agent.
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Protocols