Chapter 4 - New Meeting Window
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
SIP UA
Gatekeeper
MCU (media mixer)
IP participant
PBX switch
ISDN participant
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.
