User's Manual Part 1

Nomad User’s Manual Chapter 5 – Defining a Test
Copyright © Spirent Communications, Inc. 2013 35
 Mobile Originated
o The mobile test device makes calls to the Call Server for call control testing. (See
Section 10.1)
 Mobile Terminated
o The Call Server makes calls to the test mobile for call control testing. (See Section
10.2)
 Idle
o The test device makes no calls. This type of task only reports changes in signal
strength and battery level.
 Mobile to Mobile Originate
o This device makes calls to a receiving test device on another channel or on a remote
unit. This option allows for call control testing without a call server. (See Section
10.3)
 Mobile to Mobile Receive
o This device receives calls from an originating test device on another channel or on a
remote unit. This option allows for call control testing without a call server. (See
Section 10.3)
5.1.3 Delay Task
One task type is available on this tab.
Figure 5-5 - Delay Task Type
 Voice Delay
o This task allows for precise measurement of speech delay between two mobile
devices connected to the same Spirent ME unit. The measurement includes delay
introduced by both handsets and the time it takes to traverse the network. (See
Section 9.10)