狠狠撸

telco ims webrtc sip telecom open source ngnlab voip volte joyn rcs immmr tadsummit qos iptv innovation telekom signaling services xmpp telestax qoe onit 迟é濒é肠辞尘尘耻苍颈肠补迟颈辞苍蝉 communication ngn elmar presence virtualization rtp ott personalization study kamailioworld kamailio kandy cpaas magenta kubernetes couchdb tads hacking nexmo restcomm tadhack telecommunications trial api cloud platform slovak strategy slovakia bbwf