Specifications

Mediatrix 4100 171
C HAPTER
18
Statistics
The Mediatrix 4100 collects meaningful statistics that can be read via the RTP, MGCP, and NCS MIBs.
MGCP / NCS Statistics
MGCP / NCS statistics are related to the lines of the Mediatrix 4100:
 Number of active connections
 Number of total connections
 Average connection time
These statistics are located under the mgcpStats group of the mgcpMIB and the ncsStats group of the ncsMIB.
See the MIB Reference manual for more details.
RTP Statistics
RTP statistics are related to the transmission of information and include, but are not limited to:
 Number of octets transmitted/received
 Number of packets transmitted/received
 Number of lost packets
 Percentage of lost packets
 Minimum, maximum and average Jitter interarrival time (time, in milliseconds, between the
arrival of packets)
 Minimum, maximum and average latency time
These statistics are located under the rtpStats group of the rtpMIB. See the MIB Reference manual for more
details.
Statistics Buffers
Each statistics has three different buffers in which they are collected:
Table 120: Statistics Buffers
Statistic Description
Last connection These are the statistics of the last completed connection.
Current These are the statistics of the current connection. If using the Cumulated buffer, they
are added to the cumulated statistics buffer and then reset.
Cumulated These are the cumulated statistics of all the connections. Define a period of time and
maximum number of periods you want to keep. For instance, you could define to
keep the statistics for the last 24 periods of 1 hour.