IP/VC 3530 VTA
The IP/VC 3530 Video Terminal Adapter (VTA) is a 1U rack mounted unit with
one Ethernet port and two V.35 ports.The 3530 VTA (shown in Figure 3.7) connects
a single H.320 system to an IP network, and translates from a H.320 ISDNbased
network to a H.323 IP-based network.The video session can perform at
128 Kbps and up to 768 Kbps across the IP network, connecting to a multipoint
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Figure 3.5 IP/VC 3510 MCU
IP Network
IP/VC 3510 MCU
AVVID Gateway Selection • Chapter 3 91
conference hosted by an IP/VC 3510 MCU by going through an IP/VC 3520 or
3525 gateway. Like all the other IP/VC products, it supports T.120 for data collaboration.
The encoding formats supported for video are H.261 and QCF/CIF,
while those supported for audio are G.711, G.722, and G.728.