OfficeServ 7100 System Description
© SAMSUNG Electronics Co., Ltd.
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2.3.6 Voice Application Board
This section describes MGI16/64 which transfers voice into packet data and sends/receives
packet data via data network and the interface board that uses Digital Adaptor for
Subscriber Loop (DASL) to send/receive voice to/from the phone system and wireless base
station as well as the board that converts voice to data, and then sends/receives the data.
2.3.6.1 MGI16/MGI64
MGI16/MGI64 boards convert voice to data, and then send/receive the data via data
network. MGI16/MGI64 boards provide up to 16-channel and 64-channel, respectively.
In addition, they provide voice compression/decompression functions of G.729, G.723 and
G.711, and support T.38 Fax feature standardized.
Main Functions
The main functions of MGI16/MGI64 voice application boards are as follows:
Voice compression/decompression: G.729, G.723, G.726, G.711
Facsimile relay: MGI16 and MGI64 provide 2-channel and 8-channel, respectively.
Echo cancellation
Volume adjustment
Silence suppression
Front View of MGI16
The front view of the MGI16 board is shown in the figure below:
Figure 2.22 Front View of the MGI16 Board
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