I have a similar project without the Share-Screen Activated at sideeffectsystems.com. Once you can provide me with a https server we should be complete in a couple days. The share function requires a secure server.
Telephony/Software Services Engineering:
Expert skill/knowledge in Asterisk PBX, Freeswitch, A2Billing, Kamailio, Elastix and Kazoo
Expert skill/knowledge in SIPml5, Websockets and RESTFUL systems
Expert skill/knowledge in MySql, PHP, Python, C++, Ruby, Erlang
Expert skill/knowledge in Linux OS
Expert skill/knowledge in ffmpeg and sox
Engineered SS7 based Carrier Grade ISDN-T1 cross-connects with Telecommunication Services of Trinidad and Tobago.
Engineered Carrier Grade Telephony Transit Circuits with Digicel and Columbus
Communications Limited.
Managed and Implemented Telecom Authority of Trinidad and Tobago national numbering scheme and implemented international
routing with Telecom services partner Telecordia.
Engineered IP/SIP based Feature server including but not limited to real-time billing, Virtual
PBX , Virtual Conference Systems and Voice/Video Mail.
Integrated Nortel and Avaya PBX's with SIP based telephony system.
Design/Implemented Video telephony system based on national number plan.
If you have any questions , feel free toi contact me at anytime.