Cisco Cisco TelePresence Video Communication Server Expressway
3.
Lync Server does not supply presence status information about its registered endpoints using SIP-SIMPLE and
so no presence information can be supplied to endpoints registered on VCS about endpoints registered on
Lync Server.
so no presence information can be supplied to endpoints registered on VCS about endpoints registered on
Lync Server.
4.
Lync clients registered to Lync Server can see the presence status of other Lync clients registered to Lync
Server.
Server.
Enable Presence User Agent on VCS Control
We recommend that you enable the Presence Server on the VCS Control and disable it on the Gateway VCS.
We also recommend that you enable the PUA (Presence User Agent) on the VCS Control, which can generate
presence information for registered endpoints that don't generate their own presence information.
presence information for registered endpoints that don't generate their own presence information.
The PUA generates presence according to the following rules:
■
Presence Server uses the endpoint's own presence information (in preference to the PUA generated
information) if possible
information) if possible
■
PUA generates In-call if the endpoint is in a call
■
PUA generates Online (by default) if the endpoint is registered but not in a call. This presence appears in Lync
as Available
as Available
■
PUA can generate presence for H.323 devices if the registered H.323 IDs resemble SIP URIs (eg.
name@domain)
name@domain)
See the Presence application topics in the VCS help for more details.
To configure presence in this deployment:
1.
On the VCS Control, go to Applications > Presence.
2.
Configure the following fields:
SIP SIMPLE Presence User Agent
On (if VCS Control is to generate presence information for
registered endpoints)
registered endpoints)
Default published status for registered
endpoints
endpoints
Online
SIP SIMPLE Presence Server
On
3.
Click Save.
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Cisco VCS and Microsoft Lync Deployment Guide