User guide

Controlling and Provisioning Network Devices Port Management (iMAP Devices)
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AlliedView NMS Administration Guide
5.6.18.4 POTS24 Statistics Tab - POTS Stats
This tab lists the RTP statistics for the card. Refer to the iMAP User Guide for details.
5.6.18.5 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.
Modem Jitter Buffer Delay Used with jitter buffering, this is the amount of time that the first packet is delayed.
Note: The default in release 8.0 was changed from 30ms to 10ms
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
background noise to fill silent gaps during calls if voice activity detection (VAD) is
activated; The parameter should be ON.
Transmit Pre-Echo
Cancellation Gain
The gain applied on the transmit side before echo cancellation is applied.
Values are:-9.0 to +3.0
Transmit Post-Echo
Cancellation Gain
The gain applied on the transmit side after echo cancellation is applied.
Values are:-9.0 to +3.0
Receive Pre-Echo
Cancellation 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