Multitech MultiVOIP MVPFXS-16, Руководство пользователя

Страница: 66 / 165

Technical Configuration MultiVOIP FXS User Guide
66
Voice/Fax Parameter Definitions (cont’d) )
Field Name Values Description
Auto Disconnect
Automatic
Disconnect-
ion
-- The Automatic Disconnection group provides four options
which can be used singly or in any combination.
Jitter Value 1-65535
milli-
seconds
The Jitter Value defines the average inter-arrival packet
deviation (in milliseconds) before the call is automatically
disconnected. The default is 300 milliseconds. A higher
value means voice transmission will be more accepting of
jitter. A lower value is less tolerant of jitter.
Inactive by default. When active, default = 300 ms.
However, value must equal or exceed Dynamic Minimum
Jitter Value.
Call
Duration
1-65535
seconds
Call Duration defines the maximum length of time (in
seconds) that a call remains connected before the call is
automatically disconnected.
Inactive by default.
When active, default = 180 sec.
This may be too short for most configurations, requiring
upward adjustment.
Consecutive
Packets Lost
1-65535 Consecutive Packets Lost defines the number of consecutive
packets that are lost after which the call is automatically
disconnected.
Inactive by default.
When active, default = 30
Network
Discon-
nection
1 to 65535
seconds;
Default =
300 sec.
Specifies how long to wait before disconnecting the call
when IP network connectivity with the remote site has been
lost.
Advanced Features
Silence
Compression
Y/N
Determines whether silence compression is enabled (checked) for
this voice channel.
With
Silence Compression enabled, the MultiVOIP will not
transmit voice packets when silence is detected, thereby reducing
the amount of network bandwidth that is being used by the voice
channel.
Default = on.
Echo
Cancellation
Y/N
Determines whether echo cancellation is enabled (checked) for this
voice channel.
Echo Cancellation removes echo and improves sound quality.
Default = on.