Python - VoIP with SIP & Others

Public SIP Server List
https://code.google.com/p/sipml5/wiki/Public_SIP_Servers

SIP Client (Debug Tool)
http://icanblink.com/index.phtml

SIP response codes
http://en.wikipedia.org/wiki/List_of_SIP_response_codes

SIP

SIPpy
http://www.b2bua.org/

PJSIP Python
http://trac.pjsip.org/repos/wiki/Python_SIP_Tutorial
http://blog.pjsip.org/2008/07/24/python-sip-voip-softphone-client/

SIP SIMPLE
http://sipsimpleclient.org/
https://code.google.com/p/moshimoshi/
https://github.com/grengojbo/python-sipsimple

SIPVicious
https://code.google.com/p/sipvicious/

Divmod Sine
http://bazaar.launchpad.net/~divmod-dev/divmod.org/trunk/files/head:/Sine/
https://github.com/rcarmo/divmod.org

Shtoom (Last updated 2006)
http://sourceforge.net/projects/shtoom/
https://github.com/jrydberg/natmap

D-Bus
http://telepathy.freedesktop.org/wiki/
http://telepathy.freedesktop.org/doc/book/sect.services.python.html
https://github.com/PabloCastellano/telepathy-python

Asterisk server
https://pypi.python.org/pypi/django-asterisk/0.1

PyAudio (One way)
http://people.csail.mit.edu/hubert/pyaudio/
http://sharewebegin.blogspot.com/2013/06/real-time-voice-chat-example-in-python.html
http://www.ugw.name/?page_id=157

Twilio
https://www.twilio.com/
http://www.twilio.com/docs/libraries
https://developers.google.com/appengine/articles/twilio

GoogleVoice
https://code.google.com/p/pygooglevoice/

HTML5 SIP Client
http://sipml5.org/

P2P-SIP
http://39peers.net/
https://code.google.com/p/p2p-sip/

WebRTC (HTML5)
http://www.webrtc.org/reference/getting-started
https://code.google.com/p/py-webrtc/

Web Audio API (HTML 5)
https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
http://www.html5rocks.com/en/tutorials/webaudio/intro/
http://updates.html5rocks.com/2012/09/Live-Web-Audio-Input-Enabled

Currently testing on: P2P-SIP (39Peers)