User's Manual 922 Document #: LTRT-10466
Mediant 500L MSBR
Parameter Description
conference is established on the device without the need of an
external Conference server. You can limit the number of
simultaneous, on-board 3-way conference calls, by using the
MaxInBoardConferenceCalls parameter.
[3] Huawei Media Server = The conference is managed by an
external, third-party Conferencing server. The conference-
initiating INVITE sent by the device, uses only the
ConferenceID as the Request-URI. The Conferencing server
sets the Contact header of the 200 OK response to the actual
unique identifier (Conference URI) to be used by the
participants. The Conference URI is included in the URI of the
REFER with a Replaces header sent by the device to the
Conferencing server. The Conferencing server then sends an
INVITE with a Replaces header to the remote participants.
Notes:
This parameter is applicable only to FXS and BRI interfaces.
Three-way conferencing using an external conference server
is supported only by FXS interfaces.
When using an external Conferencing server, a conference
call with up to six participants can be established.
Web: Max. 3-Way Conference
EMS: Max In Board Calls
[MaxInBoardConferenceCalls]
Defines the maximum number of simultaneous, on-board three-
way conference calls.
The valid range is 0 to 5. The default is 2.
Notes:
For enabling on-board, three-way conferencing, use the
3WayConferenceMode parameter.
This parameter is applicable only to FXS and BRI interfaces.
Web: Establish Conference Code
EMS: Establish Code
CLI: estb-conf-code
[ConferenceCode]
Defines the DTMF digit pattern, which upon detection generates
the conference call when three-way conferencing is enabled
(Enable3WayConference is set to 1).
The valid range is a 25-character string. The default is “!” (Hook-
Flash).
Note: If the FlashKeysSequenceStyle parameter is set to 1 or 2,
the setting of the ConferenceCode parameter is overridden.
Web/EMS: Conference ID
CLI: conf-id
[ConferenceID]
Defines the Conference Identification string.
The valid value is a string of up to 16 characters. The default is
"conf".
The device uses this identifier in the Conference-initiating INVITE
that is sent to the media server when the
Enable3WayConference parameter is set to 1.
Web: Use Different RTP port
After Hold
CLI: configure voip > sip-
advanced-settings > dfrnt-port-
after-hold
[UseDifferentRTPportAfterHold]
Enables the use of different RTP ports for the two calls involved
in a three-way conference call made by the FXS endpoint in the
initial outgoing INVITE requests.
[0] Disable = (Default) The FXS endpoint makes the first and
second calls on the same RTP port in the initial outgoing
INVITE request. If a three-way conference is then made, the
device sends a re-INVITE to the held call to retrieve it and to
change the RTP port to a different port number.
For example: A first calls B on port 6000 and places B on
hold. A then calls C, also on port 6000. The device sends a re-
INVITE to the held call to retrieve it and changes the port to
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