User guide

Voice Port Management (Tabbed Form) Port Management (iMAP Devices)
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AlliedView NMS Administration Guide (Controlling and Provisioning Network Devices)
5.6.19.4 POTS24 Statistics Tab - POTS Stats
This tab lists the RTP statistics for the card. Refer to the iMAP User Guide for details.
5.6.19.5 POTS24 Statistics Tab - Graphs Stats
This window makes a graph of selected statistics and displays them with varying attributes.Refer to the following figure and
table.
Packet Loss Concealment: Specifies whether Packet Loss Concealment is enabled. Packet Loss Concealment is a
technique used on the receive side of the voice packet stream to mask the effects of lost
or discarded packets. If not used, users may report difficulty in understanding speech
due to short gaps. Default is ON.
Comfort Noise Generation: Specifies whether or not to generate Comfort Noise (RFC 3389). To generate back-
ground noise to fill silent gaps during calls if voice activity detection (VAD) is acti-
vated; The parameter should be ON.
Transmit Pre-Echo Cancella-
tion Gain
The gain applied on the transmit side before echo cancellation is applied.
Values are:-9.0 to +3.0
Transmit Post-Echo Cancella-
tion Gain
The gain applied on the transmit side after echo cancellation is applied.
Values are:-9.0 to +3.0
Receive Pre-Echo Cancella-
tion Gain
The gain applied on the receive side before echo cancellation is applied.
Values are:-9.0 to +3.
Sip User Name This is used to identify the user and is usually a DN.
Sip Password Used with the User Name to authenticate an endpoint to a server.
Sip Digit String Has rules for how digits are parsed.
Sip Display Name Name that appears on the display of the SIP-enabled VoIP device.
Modify Enabled when a field has been entered or changed.
Disable Disables the port, which must be done before attributes can be changed
Enable Enables the port
Alarms Brings up the Alarm view for the selected port.
Clear Entry Fields Clears the writable fields of any values.
TABLE 5-42 POTS24 Voice Configuration Tab - POTS
Field/Button Description