NEC Electra Elite IPK II General Description Manual page 86

Document Revision 1
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Depending on the requirements and resource allocation in the LAN/WAN/Internet, the
IAD(8)-U10 ETU - H.323 can be configured to use any of the following voice
compressions:
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The IAD (8)-U10 ETU - H.323 can be assigned in any of the following configurations:
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The ETU operating mode can be configured per ETU, but not per port.
I P T r u n k – ( S I P ) S e s s i o n I n i t i a t i o n P r o t o c o l
The Electra Elite IPK II Voice over IP Trunk Card SIP package sends the real time
voice over the corporate LAN or WAN. The voice from the telephone is digitized and
then put into frames to be sent over a network using Internet protocol.
Using VoIP equipment at a gateway (a network point that acts as an entrance to
another network), the packetized voice transmissions from users within the company
are received and routed to other parts of the company's intranet (local area or wide
area network) or they can be sent over the Internet using CO lines to another
gateway.
The IAD (8)-U10 ETU - SIP is an optional interface that can provide IP trunks and tie
lines. It can operate in the following modes:
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TLI
DTI
G.711 Mu Law – Highest Bandwidth
G.723 – Lowest Bandwidth
G.729 (a) – Most often used
A 2-port TLI(2)-U10 ETU
A 4-port DID(4)/COI(4) / COID(4)-U10 ETU
An 8-port COI(8) / COID(8)-U10 ETU
A DTI ETU using eight channels that can be installed in interface slots
supporting these ETUs.
The LAN/WAN or Internet connection is provided by a 10/100 Base T Ethernet.
COI
COID
DID
TLI
DTI
Electra Elite IPK II
Features