Polycom SIP 3.1 manual New Features in SIP

Overview

—Secure Real-Time Transport Protocol—Encrypting audio streams to avoid interception and eavesdropping.

For more information on each feature and its associated configuration parameters, see the appropriate section in Configuring Your System on page 4-1.

New Features in SIP 3.1

Note	The SoundPoint IP 300 and 500 phones will be supported on the latest
	maintenance patch release of the SIP 2.1 software stream—currently SIP 2.1.3.
	Any new features introduced after SIP 2.1.3 are not supported.

The following new features were introduced in SIP 3.1:

•Access URL in SIP Message—Ability for the SoundPoint IP phones to be able to receive a URL inside a SIP message (for example, as a SIP header extension in a SIP INVITE) and subsequently access that given URL in the Microbrowser.

•Configurable Soft Keys—Allows customers to create their own soft keys and have them displayed with or without the standard SoundPoint IP and SoundStation IP soft keys.

•Enhanced Feature Keys—Allows customers to redefine soft keys to suit their needs. In SIP 3.0, this feature required a license key.

•Dynamic Noise Reduction— Provides maximum microphone sensitivity, while automatically reducing background noise on SoundStation IP 7000 conference phones.

•Treble/Bass Controls—Equalizes the tone of the high and low frequency sound from the speakers on SoundStation IP 7000 conference phones.

•Display of Warnings from SIP Headers—Displays a “pop-up” to user that is found in the Warning Field from a SIP header.

The following existing features were changed in SIP 3.1:

•Call Forward—The Diversion field can be used by the call server to inform the phone of a call’s history.

•Call Hold—If supported by the call server, you can supply a Music on Hold URI.

•Local Contact Directory—A new “Label” field has been added to each contact directory entry.

•Busy Lamp Field—The attendant can now monitor all calls states and pickup remote calls.

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