Cisco Systems 3522 BRI, 3527 PRI manual About Point-to-Point Conferencing

Chapter 1 Functionality

About Cisco Unified Videoconferencing 3500 Gateway Applications and Topologies

Figure 1-1

H.323

endpoint

H.323

endpoint

Multimedia Conferencing through the Gateway

IP network PSDN

ISDN

Cisco

chassis/unit

with serial

gateway

Regular phone

ISDN phone

H.323

terminal

Typical multimedia conferencing applications include:

•Business video conferencing

•Distance learning

•Telemedicine

•Video-enabled call centers

•Telecommuting

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About Point-to-Point Conferencing

The Cisco BRI gateway enables direct video, voice, and data communication between an H.320 (ISDN) terminal and H.323 (IP) terminals at bandwidths of up to 512 Kbps (4 BRI lines) using bonding mode 1 (see Figure 1-2).

The Cisco PRI gateway enables direct video, voice, and data communication between an H.320 (ISDN) terminal and H.323 (IP) terminals at bandwidths of up to 1472 Kbps (23B bonding for T1) and up to 1920 Kbps (30B bonding for E1).

Figure 1-2

H.323

terminal

H.323

endpoint

Point-to-Point Conferencing through the Gateway

IP network

ISDN

H.323

Ciscoterminal chassis/unit

with serial

gateway

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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.5

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