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Chapter 9 Catalyst DSP Provisioning

Catalyst 6000 Voice Services

9-16

Cisco IP Telephony Network Design Guide

78-11103-03

Whether acting as a PSTN gateway, a conferencing resource, or an MTP

transcoding resource, each port on the module requires its own IP address. The

port can be configured to have either a static IP address or an IP address provided

by DHCP. If a static IP is entered, a TFTP server address must also be added

because the ports actually get all configuration information from the downloaded

TFTP configuration file. Once configured through the Cisco CallManager

interface, each port can support one of the following configurations:

• PSTN gateway mode: 24 sessions on the WS-6608-T1 module; 30 sessions

on the WS-6608-E1

• Conferencing mode: 32 conferencing sessions for G.711 or G.723;

24 conferencing sessions for G.729

• MTP mode: 31 MTP transcoding sessions for G.723 to G.711; 24 MTP

transcoding sessions for G.729 to G.711

Figure 9-6 shows one possible configuration of the Catalyst 6000 voice gateway

module. In this diagram, the module has two of its eight ports configured in PSTN

gateway mode, three ports in conferencing mode, and three ports in MTP

transcoding mode.

Figure 9-6 Catalyst 6000 Voice Gateway Module

PSTN

PSTN T1/E1 G.711 gateway

Conferencing services

MTP/transcoding services

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Cisco WS-X4604-GWY - VoIP Gateway Especificaciones Pagina 202