Polycom 3725-76302-001O manual Signaling Settings, SIP Signaling

Local Cluster Configuration

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	Polycom.
	See Automatically Send Usage Data on page 85 for more information.

See also:

Local Cluster Configuration on page 63

Local Cluster Configuration Procedures on page 81

Signaling Settings

On the Signaling Settings page, you can configure H.323 and SIP signaling.

Note: Supercluster-wide Signaling Settings

Although these are cluster-specific settings that are not part of the data store shared across superclustered systems, we strongly recommend that all signaling settings be the same across all clusters in a supercluster.

The settings for untrusted SIP call handling (“unauthorized” or “guest” calls) must be the same across all clusters in a supercluster.

H.323 and SIP Signaling

If H.323 signaling is enabled, the Polycom RealPresence DMA system’s Call Server operates as a gatekeeper, receiving registration requests and calls from H.323 devices. If SIP signaling is enabled, Call Server operates as a SIP registrar and proxy server, receiving registration requests and calls from SIP devices. If both are enabled, the system automatically serves as a SIP <–> H.323 gateway.

As a best practice, we recommend configuring your videoconferencing network in such a way as to avoid using the RealPresence DMA system as a SIP <--> H.323 gateway.

Either H.323, SIP, or both must be enabled in order for the RealPresence DMA system’s Conference Manager to receive calls for multipoint conferences (virtual meeting rooms, or VMRs) and distribute them among its pool of MCUs.

On this page, you can also:

●Turn on H.235 authentication for H.323 devices.

●Turn on SIP digest authentication for SIP devices.

●Click a Device authentication settings link to go to the Device Authentication page, where you can configure SIP device authentication and maintain the inbound device authentication list for both H.323 and SIP devices (see Device Authentication on page 261).

Note: Authentication for Specific Devices

You can turn authentication off and on for specific devices (assuming that it’s turned on here for that device type). See Edit Device Dialog Box on page 97.

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