sources:
  linphone-3.10.2.tar.gz: a7566bac17ed341ef3f286f9688e71b17523a97b
  linphone16.png: 671958aafa4d1710c2f5b80c46d35a8b79349576
  linphone32.png: 042549a93b9616ff9345bf15525a66e38733b150
  linphone48.png: fc62e118a2fcc94f16fca136241a81591a0bb0ef