AudioCodes MP-11x User Manual page 291

User's Manual
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Local, on-board conferencing: The conference is established on the device without
the need for an external Conference server. This feature includes local mixing and
transcoding of the 3-Way Call legs on the device, and even allowing multi-codec
conference calls. The number of simultaneous, on-board conferences can be limited
using the parameter MaxInBoardConferenceCalls. The device utilizes resources from
idle ports to establish the conference call. You can designate ports that can't be used
as a resource for conference calls initiated by other ports, using the parameter
3WayConfNoneAllocateablePorts. Ports that are not configured with this parameter
(and that are idle) are used by the device as a resource for establishing these types of
conference calls. The device supports up to two simultaneous, on-board, three-way
conference calls. For this mode, the 3WayConferenceMode parameter is set to 2.
Notes:
•
Each three-way conference call requires the resources of two DSP channels.
Consequently, for MP-114, MP-118 and MP-124, each three-way conference call
reduces channel capacity by one; for MP-112, no channel reduction occurs.
•
Instead of using the flash-hook button to establish a three-way conference call,
you can dial a user-defined hook-flash code (e.g., "*1"), configured by the
HookFlashCode parameter.
•
Three-way conferencing is applicable only to FXS interfaces.
The following example demonstrates three-way conferencing using the device's local, on-
board conferencing feature. In this example, telephone "A" connected to the device
establishes a three-way conference call with two remote IP phones, "B" and "C":
1. A establishes a regular call with B.
2. A places B on hold, by pressing the telephone's flash-hook button and the number "1"
key.
3. A hears a dial tone and then makes a call to C.
4. C answers the call.
5. A establishes a three-way conference call with B and C, by pressing the flash-hook
button and digit 3.
To configure this local, on-board three-way conferencing:
1. Open the Supplementary Services page.
2. Set 'Enable 3-Way Conference' to Enable (Enable3WayConference = 1).
3. Set 'Three Way Conference Mode' to On Board (3WayConferenceMode = 2).
4. Set
(FlashKeysSequenceStyle = 1 or 2).
Note:
configuring the previously mentioned parameters, the following must be configured:
EnableIPMediaChannels = 1
[ IPMediaChannels ]
FORMAT IPMediaChannels_Index = IPMediaChannels_ModuleID,
IPMediaChannels_DSPChannelsReserved;
IPMediaChannels 0 = 1, 2;
[ \IPMediaChannels ]
Version 6.6
'Flash Keys Sequence
For local, on-board three-way conferencing on MP-112, in addition to
25. Configuring Supplementary Services
Style' to Sequence
291
1 or Sequence
MP-11x & MP-124
2