EXFO EXpert VoIP Test Tools - Manual (Page 33)

Test Setup
EXpert IP 27
Configuration (SIP)
Test Length

Test Duration (sec) is the length of time for which the test will run in
seconds: 1 to 600 seconds (default is 10 seconds). Test Length is not
available when Stored Audio File media type is selected.

Number of Packets is the number of RTP packets to exchange
between the Controller and the Responder: 2 to 65535 (default is 500).
Call Information

Media Type

Live Call (default) specifies that actual call is established between
the Controller and the Responder.

Stored Audio File specifies that any stored media file on the drive
is transmitted from Controller to Responder and the results are
recorded.

Synthesized Media specifies that the EXpert IP Test Tools
application automatically generates a randomly RTP data.

Codec selects the audio Codec (packet interval, payload size, and IP
bandwidth) of the call simulated by the Controller.
For Live Call media type: G.711 μlaw (default), and G.711 aLaw.
For Audio File media type: G.711 μlaw (default), G.711 aLaw, G729,
G.729A, G.729B, and G.729AB.
For Synthesized Media type: G.711 μlaw (default), G.711 aLaw, G.722,
G.723.1, G.726, G.728, G.729, G.729A, G.729B, and G.729AB.