Testing and Diagnostic tools

Hello

Is there any Asterisk Testing and Diagnostic tools availeble…please tell me if any available

yet again, the wiki is the first place to look :

voip-info.org/wiki-Open+Source+VOIP+Software

voip-info.org/wiki/view/How+ … shoot+VOIP

look at something like Empirix Hammer for serious testing ! empirix.com/