Voice over Internet protocol interface module (4 channels).
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The VOIM can be installed on the basic KSU and provides the Ethernet interface for S/W applications and VoIP features with a basic VoIP board(VOIB) that provides 4 VoIP channels.
The VOIM has the capacity of maximum 8 channels with one optional daughter board(VOIU) that provides 4 VoIP channels.
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 |