Administrator’s Guide SoundPoint IP / SoundStation IP
4 - 42
l Set the
roaming_privacy.reg
element to the number corresponding
to the LCS registration.
For example,
roaming_privacy.reg = 2
Refer to Roaming Privacy <roaming_privacy/> on page A-99.
m Save the modified phone1.cfg configuration file.
Setting Up Audio Features
Proprietary state-of-the-art digital signal processing (DSP) technology is used
to provide an excellent audio experience.
This section provides information for making configuration changes for the
following audio-related features:
• Low-Delay Audio Packet Transmission
• Jitter Buffer and Packet Error Concealment
• Voice Activity Detection
• DTMF Tone Generation
• DTMF Event RTP Payload
• Acoustic Echo Cancellation
• Audio Codecs
• Background Noise Suppression
• Comfort Noise Fill
• Automatic Gain Control
• IP Type-of-Service
• IEEE 802.1p/Q
Low-Delay Audio Packet Transmission
The phone is designed to minimize latency for audio packet transmission.
There are no related configuration changes.
Jitter Buffer and Packet Error Concealment
The phone 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. The
