I need a SIP Client programmed in python. This software should be/have:
-Both, the SRTP protocol and the ZRTP protocols are needed.
-It should have video calling and graphical interface (GTK ...).
-I also need to have the ability to configure 2 extra buttons (relays) for different purposes.
-I also want to be able to add a logo inside the graphic interface.
-And lastly I need to own copyrights of this program.