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Conferencing Capabilities
The DSP Series 2 card provides the following conferencing capabilities:
• 128 conferences available per DSP stream
• 128 legs/conferees available per conference (all conference types)
• 256 legs/conferees available per DSP chip (you can use half of a chip’s legs in any one conference)
• Direct Media Service Access to Conferences
• Manual Volume Control
Features
The robust suite of Conferencing Features includes:
• Automatic Gain Control
• Output Gain Control
• Noise Gating
• Echo Suppression
• Conference Tracking
• Conference Failure Handling
Conferencing Options
You can configure a conference with the following options:
Barge In
DTMF Clamping/Filtering
EXS Conferencing Encoding Type
Conference Failure Behavior
0x05E5 Barge In
0x0604 DTMF Clamping/Filtering Enable
0x0605 EXS Conferencing Encoding Type
0x0606 Monitor Conference Enable
0x060F Conference Failure Behavior
Resource Location
When recording a conference or playing a file to a conference, the conference resources and the record/playback resources must be on the same DSP Series 2 card.
Supported Conference Types
The DSP Series 2 card supports the following conference types:
• Unified (µ-Law, A-Law, mixed, DTMF Clamped)
• Monitor
Manual Input Volume Control
This feature enables a manual volume control on a parties inbound leg to a conference. The Automatic Gain Control for that party is automatically disabled, and the requested gain is added to the conferee’s speech prior to being added to the conference.
An example application of this feature would be where an individual wants to ensure that his contributions to the conference are heard by the other participants so adds a few dB of gain to their voice, in effect, raising the volume of their voice without additional effort.
Configuration
See Conferencing.