RTP support

This release adds the "-rtp_sink" command-line option. When this option is set, each call opens an associated UDP socket, processes RTP packets coming in on that port, and makes statistics on jitter, packet loss and out-of-sequence packets available over the ZeroMQ statistics interface. The port of the UDP socket is available in the [media_port] keyword for sending in the SDP.

Stats broadcasting

Adds statistics broadcasting over 0MQ, the first feature added that's not in SIPp.

Version 0.0.2

Adds TCP support, additional keywords, and TCP UAS support.

First release - minimum function

This release allows sending very basic SIP flows (e.g. the scenario in resources/message.xml) at a specified rate to a specified server over UDP.