
Chapter 9 Catalyst DSP Provisioning
Catalyst Conferencing Services
9-6
Cisco IP Telephony Network Design Guide
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Figure 9-1 Catalyst Conferencing Services
Conferencing Caveats
The following caveats apply to Catalyst conferencing services:
• The Catalyst 4000 conferencing services support G.711 connections only,
unless an MTP transcoding service is used.
• On the Catalyst 6000, conferencing services cannot cross port boundaries.
• Each Cisco CallManager must have its own conferencing resource
configured.
Conference calls across an IP WAN are addressed in the next section, “Catalyst
MTP Transcoding Services.”
Conferencing
DSP farm
Cisco CallManager
cluster
Router/gateway
Conf
MTP
V
PSTN
=
IP
IP
40827
Voice mail
server
Conf
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