NQM Low Conversational MOS Alarm

acNqmCqMosAlarm

Alarm

acNqmCqMosAlarm

OID

1.3.6.1.4.1.5003.9.10.1.21.2.0.95

Description

The alarm is sent when the device detects low conversational voice quality towards the Network Quality Monitoring (NQM) probe destination.

Default Severity

Alarm Source

Board#%d/NqmSender#%d

Event Type

communicationsAlarm

Probable Cause

The alarm is sent when low conversational voice quality is detected towards the NQM probe destination.

Severity

Condition

Text

Corrective Action

Minor

"Detected low conversational voice quality towards NQM probe destination Index <index>. Target IP address: <IP>, Conversation MOS: <score>"

To fix the Noise Quality Measure (NQM) result:

■

Perform corrective action for jitter. See NQM High Jitter Alarm.

■

Perform corrective action for Real Time Protocol (RTP) packet loss.
See NQM High Packet Loss Alarm.

■

Perform corrective action for long Round-Trip Time (RTT) - the time it takes for packets to travel from source to destination.
See NQM High RTT Alarm.

To fix the poor Conversational Quality (CQ) that the test indicates:

■

Try changing the coder

■

Try using RTP-Redundancy

■

Perform corrective action for RTP packet loss.
See NQM High Packet Loss Alarm.