EXFO EXpert VoIP Test Tools - Manual (Page 86)

Test Results
80 EXpert VoIP Test Tools
Summary (SCCP)

R-Factor is the Voice Quality R-factor for the RTP stream.
If Make Call is selected as Call Mode in the Configuration tab, then
the value is calculated for RTP Stream (packets) from Callee to Caller.
If Answer Call is selected as Call Mode in the Configuration tab, then
the value is calculated for RTP Stream (packets) from Caller to Callee.

Jitter (ms) is the average length of time in milliseconds of the jitter of
the RTP packets of incoming and outgoing RTP stream.

Latency (ms) is the average length of time in milliseconds of the round
trip latency for the packets traveling between the endpoints.

Packet Loss (%) - Result is the percentage of lost, late, and early
packets traveling on the network.

Packet Loss (%) - Threshold is the threshold value set from the
threshold configuration page.
If Make Call is selected as Call Mode in the Configuration tab, then
the value calculated is from Callee to Caller.
If Answer Call is selected as Call Mode in the Configuration tab, then
the value calculated is from Caller to Callee.

Packet Sent is the number of Packets transmitted to other peer.

Latency is the length of time in milliseconds for the minimum and
maximum latency.
Traceroute
Hops to Responder is the number of hops from the Controller to the
Responder. Hops to Controller is available when Answer Call is selected
as Call Mode in the Configuration tab.