Dialogic® Vision™ CX Video Gateway Administration Manual
Overview of the CX Video Gateway
ISDN models
The CX Video Gateway is available with an ISDN audio model and an ISDN video
model.
ISDN audio model
In the ISDN audio model, the gateway:
•
Provides ISDN signaling.
•
Provides SIP signaling.
•
Supports the Call Control Extensible Markup Language (CCXML) for call
control.
The following illustration shows the ISDN audio model:
RTP G.711
E1
ISDN
SIP
CX Video
Gateway
ISDN access
network
IP
network
ISDN video model
In the ISDN video model, the gateway:
•
Provides ISDN signaling with 3G-324M.
•
Provides SIP signaling.
•
Provides the option to transcode between AMR and G.711.
•
Supports the Call Control Extensible Markup Language (CCXML) for call
control.
The ISDN video model requires a mobile video device that supports 3G-324M.
The following illustration shows the ISDN video model:
RTP AMR (audio)
RTP H.263 (video)
E1
(3G-324M)
ISDN
SIP
CX Video
Gateway
ISDN access
network
IP
network
Dialogic
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