GLEN ROCK, N.J. — Radvision is looking to make the development of voice-over-IP (VoIP) systems today with the release of an upgraded session initiation protocol (SIP) software toolkit and test suite.
Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...
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