Installation guide
Function Boards 4-40
Chapter 4: Board Installation
MBX IP Hardware & Installation Guide
VOIB8/24 (Voice over Internet Protocol Board 8ch./24ch.) con’d
LAN, VoIP Specification
ITEM SPECIFICATION
LAN Interface 100 Base-T Ethernet (IEEE 802.3)
Speed 100 Mbps (Auto-Negotiation)
Duplex Half Duplex or Full Duplex (Auto-Negotiation)
VoIP Protocol H.323 Revision 4, SIP Revision 4
Voice Compression G.711/G.726/G729/G.723.1
Voice/Fax Switching T.38
Echo cancellation G.165
Release 1.7
April 2012