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Chapter 4 - New Meeting Window
4-44
Mixed Environments Conference Scenario
In mixed environments, participants can connect to the same conference on
the MCU either over ISDN or over IP.
SIP Proxy
MCU
(media
mixer)
Figure 4-3: SIP Mixed Environment
After establishing a connection to the conference (each over its corresponding
network), the signaling and media channels reach the MCU.
The processed media is sent back by the MCU to H.323 and SIP participants
via the IP+ card and to ISDN participants via the Net card.
PBX switch
ISDN participant
SIP UA
Gatekeeper
IP participant
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