Hardware Conferencing and Transcoding Resources
Figure 2-14 shows a multisite environment with deployed DSP resources. Router2 in
Chicago is offering DSP-based conferencing services to support mixed codec environments
and optimal WAN usage.
Chapter 2: Considering VoIP Design Elements 95
V
IP WAN
PSTN
Router1
San Jose
Chicago
IVR
G.711
G.729
Phone1-1
2001
Phone2-1
3001
Phone1-2
2002
Phone2-2
3002
Router2
Conferencing
Transcoding
and/or
Conferencing
Figure 2-14 Media Resource Deployment Example
The central gateway, Router1, offers transcoding and conferencing services. The
transcoding resources can be used to transcode G.729 to G.711 and then connect to an
application server or even a software-based Cisco Unified Communications Manager
conference bridge.