Appendix H - Integration Into Microsoft Environments
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Participant Settings
When defining a new participant or modifying an existing participant, select SIP as the participant’s
networking environment Type in the
New Participant or Participant Properties -
General tab.
The participants Video Protocol in the
New Participant or Participant Properties -
Advanced tab should be left
at (or set to) its default value: Auto.
The Auto setting allows the video protocol to be negotiated according to the endpoint’s capabilities:
OCS endpoints and Lync Server clients connect to the conference using the RTV protocol.
Other endpoints negotiate the video protocol in the following sequence: H.264, followed by RTV,
followed by H.263 and finally H.261.

Protocol Forcing

Selecting H.264, RTV, H.263 or H.261 as the Video Protocol results in endpoints that do not support the
selected Video Protocol connecting as Secondary (audio only).