Polycom RMX 1500 Quick Installation And Configuration Manual page 19

To start ongoing conferences and monitor their status see the
RMX 1500/2000/4000 Getting Started Guide, "Basic Operation".
Connecting to a Conference Directly or via Entry
Queue
The RMX is shipped with pre-configured default conferencing entities
that can be used to dial in and start conferences. Default (Transit) Entry
Queue ID: 1000, default Meeting Room IDs: 1001, 1002, 1003, and 1004.
H.323 Participants
H.323 participants dial:
[MCU Prefix in Gatekeeper][Conference or Entry Queue ID/Name].
For example, if the MCU prefix in gatekeeper is 925, you can dial to the
default (Transit) Entry Queue by entering 925 or 9251000 and be routed
to Meeting Rooms by entering its ID (i.e. 1001, 1002, 1003 or 1004). You
can connect directly to one of the default Meeting Rooms, by dialing its
number, for example: 9251001. Alternatively, you can use the Entry
Queue or conference name to connect directly to the conference. For
example, if the conference name is Maple_Room, the participant can
dial: 925Maple_Room.
SIP Participants
For SIP participants the dialing string is composed of the conference
routing name as registered with the SIP server and domain name in the
following format: conference_name@domain_name.
For example, if the conference name is Maple_Room, the participant
dials: Maple_Room@polycom.com.
ISDN/PSTN Participants
ISDN and PSTN participants can connect to conferences and Meeting
Rooms directly or via an Entry Queue by dialing one of the numbers
(including the country and area code if needed) assigned to them. When
connecting to an EQ they are routed to their conference according to the
conference ID entered. For example, if the assigned dial in number is
4045555, the ISDN/PSTN participant dials this number with the
appropriate area code (for example, 678) and country code (001).
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