Polycom SIP 3.0.2 사용자 설명서
Administrator’s Guide SoundPoint IP / SoundStation IP
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—Designed primarily for hands-free
operation, reduces background noise to enhance communication in
noisy environments.
—
—Designed to help provide a consistent noise level
to the remote user of a hands-free call.
—
—Conforms to RFC 2833, which describes
a standard RTP-compatible technique for conveying DTMF dialing
and other telephony events over an RTP media stream.
and other telephony events over an RTP media stream.
—
—Generates dual tone multi-frequency
(DTMF) tones in response to user dialing on the dial pad.
—
—The phone will tag all Ethernet packets it transmits
with an 802.1Q VLAN header.
—
—Allows for the setting of TOS settings.
—
—Employs a
high-performance jitter buffer and packet error concealment system
designed to mitigate packet inter-arrival jitter and out-of-order or lost
(lost or excessively delayed by the network) packets.
designed to mitigate packet inter-arrival jitter and out-of-order or lost
(lost or excessively delayed by the network) packets.
—
—Designed to minimize
latency for audio packet transmission.
—
—Conserves network bandwidth by
detecting periods of relative “silence” in the transmit data path and
replacing that silence efficiently with special packets that indicate
silence is occurring.
replacing that silence efficiently with special packets that indicate
silence is occurring.
—
—Generates various quality metrics
including MOS and R-factor for listening and conversational quality.
• Security Features
—
—Several local settings
menus are protected with two privilege levels, user and
administrator, each with its own password.
administrator, each with its own password.
—
—Confidential information stored in
configuration files must be protected (encrypted). The phone can
recognize encrypted files, which it downloads from the boot server
recognize encrypted files, which it downloads from the boot server
and it can encrypt files before uploading them to the boot server.
—
—When trying to establish a connection to a boot
server for application provisioning, the phone trusts certificates
issued by widely recognized certificate authorities (CAs).
issued by widely recognized certificate authorities (CAs).
—
—Levels of security are provided for
validating incoming network signaling.
For more information on each feature and its associated configuration
on page
.