Already worked a lot on BigBlueButton(bbb),Asterisks, Openmeetings, Sipxecs,freeswitch, Open-sips, freepbx and Wowza. Have various customized versions delivered to many offline clients, Such as Fully Customized UCS(Audio,Video, Screen Sharing, File sharing and White boarding), PBX, Voicemail, Conferencing etc...
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