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Chapter 2 - Defining Standard Audio Only Conferences and Reservations
2-10
H.323 participants dial the IP Network Service Prefix and the conference
numeric ID. To simplify matters, the Network Service Prefix and the ISDN
number prefix can be set to be the same number as the local phone exchange
(e.g. 925) and the conference Numeric ID can be a four digit number
matching the ISDN number allocated to the conference (e.g. 1222), so
participants who dial 9251222 connect to conference1.
SIP participants connecting within the organization, dial the conference name
or numeric ID. For example, Conference1 or 1222.
Such a conference may be defined as:
• Standard with Meet Me per Conference and Allow Undefined
Participants selected (No Entry Queue Access or IVR)
• Meeting Room with Allow Undefined Participants selected (No Entry
Queue Access or IVR)
For more information about Meet-Me per Conference and Meeting Rooms,
see Chapter 5, “Defining a New Audio Only Meeting Room”,
page 5-4.
Entry Queue Access
Entry Queue is a call routing method in which all participants dial the same
dial-in number. Participants are guided by voice prompts which are part of the
Entry Queue Service. The Entry Queue makes it possible to use a limited
number of PSTN/ISDN/T1-CAS dial-in numbers for all the conferences and
to use toll-free numbers for conferences which are charged to the meeting
organizers.
Entry Queues that were defined for video conferencing can also be used for
Audio Only conferences, so there is no need to define separate Entry Queues
for Audio Only conferences. When the Entry Queue Access option is
designated for a conference, the participants connecting to that conference
follow a two-stage process:
1. Participants connect to an Entry Queue, where they are routed to their
conference in one of two ways:
— Automatically, according to the Numeric ID or conference
password, depending on the MCU configuration
or
In all conferences with “undefined” dial-in participants, the conference or Entry
Queue dial-in number may be automatically assigned by the MCU. The number
is taken from the dial-in numbers defined in the ISDN/T1-CAS Network Service.