Polycom RMX 1500 Administrator's Manual page 149

To define a Dial-in Participant as the cascade link:
This participant is added to the ongoing conference on the Slave MCU.
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In the Participants list, click the New Participant button(
The New Participant - General dialog box opens.
Define the following parameters:
Table 3-1 New Participant – Dial-out Cascade Link
Field
Display Name
Dialing Direction
Type
IP Address
Alias Name
Alias Type
Click the Advanced tab.
Description
Enter the participant name
Select Dial-in.
Select H.323.
If a gatekeeper is used: This field is left empty.
If a gatekeeper is not used: Enter the IP address of the Signaling
Host of the MCU running the other conference.
If a gatekeeper is used: Enter the Alias of the MCU running the
other (second) conference.
If a gatekeeper is not used: This field is left empty.
Select E.164 (digits 0-9, *, #).
Chapter 3-Cascading Conferences
).
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