That page has a nice option of Cisco IP SLA, which is majorly useful to gather network performance-related statistics for the call. Available statistical measurements for VoIP networks include jitter, frame loss, Mean Opinion Score for Conversational Quality (MOS-CQ), and Mean Opinion Score for Listening Quality (MOS-LQ).
I came across with this once, just sharing if this is useful to you.
You can try ICTDialer, A Free and Open Source Unified Communications Auto Dialer Software
ICTDialer is free and open source Unified Communications marketing Software. ICTDialer is multi-tenant with Voice, SMS & Fax broadcasting capabilities developed over re-known open source Content Management System Drupal and Freeswitch based powerful Plivo Communication Framework . It can be scaled to blast thousands of simultaneous calls using either VoIP, Foip or PSTN. ICTDialer capable to fit in many broadcasting and telemarketing scenarios. It empowers user with capabilities of Drupal CMS and Plivo Communication Framework
For more details check:
http://www.ictdialer.org/
Also, if this is new network, with infrastructure still being implemented, you can ask your implementing partner/vendor who can too help you in getting the environment tested. They usually have enterprise or paid testing softwares available.
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Vinod
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Vinod
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