Document Revision 1
Electra Elite IPK II
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Features
The IAD ETU contains a regular TCP/RTP/IP stack that can handle real time media,
supports industry standard MEGACO (H.248) communication on the WAN side, and
interfaces with the Electra Elite IPK as a regular Electronic Station Interface board
[ESI (8)-U( ) ETU].
From the network administration perspective, the IAD ETU is an end point on the IP
network.
This interface can provide:
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MEGACO (H.248) signaling Protocol
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DTMF generation
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RTP port number designation
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ToS field QoS support
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Tone generation
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General Tone detection
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G.711 and G.729a voice compression
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10/100 Base-T LAN interface
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Echo Canceller
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Remote configuration and maintenance
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NAT Beater - Network Address Translation
IP Station (MEGACO) - MG 16
The Media Gateway (MG16) is a IP Application loaded on the PVA( )-U( ) ETU. This
is an optional interface package for the Electra Elite IPK II system that supports
MEGACO IP stations.
An on-board 10/100 Base-T connector provides a WAN/LAN connection. Voice and
signaling data to/from the IP stations are converted into IP Frames and transmitted
through the Data Communication IP Network Intranet or Internet. The Media
Gateway 16 supports station-to-station direct RTP connections (peer-to-peer) for calls
between IP telephones. Each Media Gateway 16 application can support up to 16
TDM Talk paths. Although, one Media Gateway Card can support 256 IP Megaco
Stations, but will only provide 16 simultaneous talk paths across the TDM highway.
The MG Application contains a regular TCP/RTP/IP stack that can handle real-time
media, supports industry standard MEGACO (H.248) communication on the WAN
side, and interfaces with the Electra Elite IPK II.
For this feature, the Media Gateway 16 is installed and assigned as a VOIP MG16
ETU. Each Media Gateway 16 supports IP signaling for up to 16 IP Phones and
reduces the maximum capacity of IP stations in the system by 16.
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