[VoiceOps] VoIP Testing

[James M]

Hello,

I was wondering if anyone could suggest some open source testing and 
quality monitoring applications for VoIP. From time to time we have some 
remote clients who are facing voice quality issues on their endpoints 
and I have no real good way of troubleshooting or pin pointing the 
problem. Any help or tips regarding best practices would be greatly 
appreciated.

TIA,

Jamie