Electra Elite IPK II
Document Revision 3
System Hardware Manual
6 - 135
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7.6
VMS(2)/(4)/(8)-U( ) ETU
7.6.1
Description
The VMS(2)/(4)/(8)-U( ) ETU is a 2-, 4-, or 8-port Digital Voice Mail
system.
This ETU is a PC platform installed in the Electra Elite IPK II and
contains hard disk space for voice recording storage and application
software. A digital signal processor/voice processing section handles
the following functions:
J
DTMF detection
J
DTMF generation
J
General tone detection
J
FAX CNG tone detection
J
PCM compression for audio recording/playback
J
Automatic gain control (AGC)
J
A serial port (direct connect speeds up to 19.2 Kbps) to
connect external modem
This ETU provides 2-, 4-, or 8-ports for digital voice mail. The 2- and
4-port require the included digital signal processor (DSP); the 8-port
configuration requires a DSP-F-21 Unit. This ETU provides 2-, 4-, or
8-ports for digital voice mail. The 2- and 4-port require the included
digital signal processor (DSP); the 8-port configuration requires a
DSP-F-21 Unit. Refer to
Table 6-46 Configuration Support Table
Table 6-46 Configuration Support Table
Function
Configuration Support
Applications
Automated Attendant/Voice Mail with call
forwarding (release transfer)
Automated Attendant/Voice Mail without call
forwarding (await answer transfer)
Voice Mail only (No transfer)
Call Forwarding
Supported.
Connections
Connects to backplane connector of the KSU.
Hardware
One VMS(2)/(4)/(8)-U( ) ETU
Message Notification
Through message waiting lamp
MDM-F-20 Unit
Used for remote connection.
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