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RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

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Cascading via Entry Queue<br />

Chapter 4-Cascading Conferences<br />

The link between the two conferences is created when a participant that is defined as a dialout<br />

cascaded link in one conference (Conference A) connects to the second conference<br />

(Conference B) via a special cascaded Entry Queue (EQ). When MCU A dials out to the<br />

cascaded link to connect it to conference A, it actually dials out to the cascaded Entry Queue<br />

defined on MCU B.<br />

Conference<br />

A<br />

Figure 4-2 Cascaded Conferences - Star Topology<br />

Though the process of cascading conferences mentioned in this section refers to conferences<br />

running on two different <strong>RMX</strong> units, it is possible to cascade conferences running between<br />

<strong>RMX</strong> units and other MCUs.<br />

The following features are not supported by the cascaded link and therefore are not<br />

supported in the combined conference:<br />

• DTMF codes are enabled in cascaded conference, but only in their local conference. The<br />

operations executed via DTMF codes are not forwarded between linked conferences.<br />

• FECC (Far End Camera Control will only apply to conferences running in their local<br />

MCU).<br />

Enabling Cascading<br />

Cascaded<br />

Link<br />

MCU A MCU B<br />

Conference<br />

B<br />

Cascading two conferences requires that the following procedures are implemented:<br />

• Creating the cascade-enabled Entry Queue<br />

A cascade-enabled Entry Queue must be created in the MCU hosting the destination<br />

conference (Conference B). The cascade-enabled Entry Queue is used to establish the<br />

dial-in link between the destination conference and the linked conference and<br />

bypassing standard Entry Queue, IVR prompt and video slide display.<br />

• Creating a cascade-enabled Dial-out link<br />

The creation of a cascade-enabled dial-out link (participant) in the linked conference<br />

(Conference A). This dial-out participant functions as the link between the two<br />

conferences.<br />

• (Optional) Enabling the cascaded linked participant to connect to the linked conference<br />

(Conference A) without entering the conference password. This can be done by<br />

modifying the default settings of the relevant system flag.<br />

<strong>Polycom</strong>, Inc. 4-21<br />

EQ<br />

Cascaded<br />

Link

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