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Chapter 4 - Operations Performed During On Going Conferences
4-68
Using DTMF Codes in Cascading Conferences
During Cascaded conferences, the chairperson can control all the participants
in the cascaded conference by performing the following tasks using DTMF
codes:
• Set the chairperson as the conference’s exclusive speaker while muting
all the other conference participants
• Terminate the conference
• Lock or unlock the conference to undefine dial-in participants
• Secure a conference and release a secured conference
• Place the conference on-hold and reinstate the conference
If the chairperson uses any other DTMF codes, only the participants in the
chairperson’s local conference will be affected.
For more information on simple cascading, see the MGC Manager User’s
Guide, Volume II, Chapter 1.
For a detailed description of H.243 Cascading conferences, see the MGC
Manager User’s Guide, Volume II, Chapter 5.
Modifying Conference and Chairperson Passwords
During an On Going Conference, the Conference and Chairperson passwords
can be modified by the chairperson or a participant (depending on the
configured permissions) using DTMF codes from their endpoints (default
DTMF code is *77). Passwords can also be modified by the operator via the
MGC Manager. For more details, see “Modifying Conference and
Chairperson Passwords” on page 4-68
When the chairperson activates the password modification process, the
chairperson can select whether to modify the conference password or the
chairperson password.
A sequence of voice messages and chairperson actions follows, to complete
the password modification. Table 4-5 describes this sequence
If the chairperson or a participant exits without the password confirmation,
the password is not updated.