LG Electronics IP LDK-20 installation manual Voim

IP LDK-20 Installation Manual Board Installation

4.5 VOIM (Voice over Internet Protocol Interface Module) installation

Description

The VOIM can be installed on the basic KSU and provides the Ethernet interface for S/W applications and VoIP features with optional VoIP daughter board.

The VOIM has the capacity for maximum 8 channels with one(1) VOIU, and VOIU provides four(4) VoIP channels.

Item	Specification
LAN Interface	10 / 100 Base-T Ethernet(IEEE 802.3)
Speed	10 Mbps or 100 Mbps(Auto-Negotiation)
Duplex	Half Duplex or Full Duplex(Auto-Negotiation)
VoIP Protocol	H.323 Revision 3
Voice Compression	G.711/G.726/G729/G.723.1
Voice/Fax Switching	T.38
Echo cancellation	G.165

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Figure 4.5.1 VOIM

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