voip billing, voip gateway, iptv billing, iptv set top box, wifi access point, ip pbx, voip softswitch, voip equipment, iptv encoder, iptv streamer, vod, ppv, wifi wireless networks, h323 h.323 gateway, sip gateway ss7, ip centrex, hosted pbx, class 5 switch, voicemail, voicemail system, voip gatekeepers, sip voip proxy, iptv voip, wifi voip

sysmaster offers voip billing, voip gateway, iptv billing, iptv set-top-box, voip softswitch, voip equipment, ip pbx, wifi access point, encoder, iptv streamer, and video ip phone.