User's Manual
Chapter 5-Cascading Conferences
Polycom, Inc. 5-37
Method II - Defining the Cascading Entry Queue in the MGC
The Entry Queue definition on the MGC is required if the dialing is done from the 
Collaboration Server to the MGC.
1 In the MGC Manager, expand the MCU tree.
2 Right-click the Meeting Rooms, Entry Queues and SIP Factories icon and click New Entry 
Queue.
3 In the New Entry Queue dialog box, set the Entry Queue parameters and select the 
Cascade check box. 
For more details on the definition of new Entry Queues refer to the MGC Manager User’s 
Guide, Volume II, Chapter 1, “Ad Hoc Auto Cascading and Cascading Links”.
4 Click OK.
Creating the Dial-out Link between the Conference Running on the MGC and the 
Conference Running on the Collaboration Server
If the dialing is done from the MGC to the Collaboration Server, you need to define the 
cascaded link (dial-out participant) in the conference running on the MGC.
The dial-out string defined for the participant is the dialing string required to connect to the 
destination conference via the Cascade-enabled Entry Queue defined on the Collaboration 
Server hosting the destination cascaded conference. The dial-out participant can be defined 
on the MGC as template or assigned to the Meeting Room.
In the MGC Manager application, define a new participant as follows:
1 In the Participant Properties - Identification dialog box, enter a Participant Name
2 In the Connection Type field, select Dial-out.
3 In the Interface Type list field, select H.323.
4 There are two methods to define the dialing string to the other conference:
a Using the MCU’s IP Address and the Alias string.
b Using only the Alias string (requires a gatekeeper).
Method A (If no gatekeeper is used):










