Vertical SBX IP 320, Руководство по установке

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Installation of the CO Line & Extension Board 4
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Chapter 4: Board Installation
SBX IP 320 Installation Guide
VOIB (Voice over Internet protocol Board (4ch)/NTB422)
The VOIB can be installed on the MBU and it provides four VoIP channels.
The length of the Ethernet cable should be less than 10 meters.
Figure 4-7
VOIB
The VOIB can be installed on the basic MBU and provides the Ethernet interface for S/W
applications and VoIP features with optional VoIP daughter board.
The VOIB has the capacity for maximum 4 channels with one(1) VOIB, and VOIU provides
additional four(4) VoIP channels.
ITEM SPECIFICATION
LAN Interface 10 Base-T Ethernet (IEEE 802.3)
Speed 10 Mbps (Auto-Negotiation)
Duplex Half Duplex or Full Duplex (Auto-Negotiation)
VoIP Protocol H.323 Revision 2
Voice Compression G.711/G.726/G.729/ G.723.1
Voice/Fax Switching T.38
Echo Cancellation G.165