sipsak

http://sipsak.org/

sipsak is a small comand line tool for developers and administrators of SIP applications. It can be used for some simple tests on SIP applications and devices.

Features

• sending OPTIONS request
• sending text files (which should contain SIP requests)
• traceroute (see section 11 in RFC3261)
• user location test
• flooding test
• random character trashed test
• interpret and react on response
• authentication with qop supported
• short notation supported for receiving (not for sending)
• string replacement in files
• can simulate calls in usrloc mode
• uses symmetric signaling and thus should work behind NAT

Available for Linux, BSD & Win32

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Open Source VOIP Software