Session Initiation Protocol is used widely for the setup, teardown and management of VoIP calls. Much of its functionality is related to the setup of calls, as its name implies. Part of this setup ...

That's 3com's NBX V3000 VoIP switch on the left, and a switch based on open-source Asterisk on the right. I made that canvass as a result of reading a post by Paul Ryan, the ITXtreme columnist for ...

The softswitches that route VOIP calls get caller ID info off the PSTN (public switched telephone network), but they dont play by the PSTNs FCC-mandated rules. Those rules and switching protocols make ...

VANCOUVER, British Columbia, Dec. 12, 2013 /PRNewswire/ — In today's telecom marketplace, seamless performance is essential. End customers have come to assume they'll have access to the features they ...

The Federal Communications Commission is hoping to solve one of the thorniest problems in the fight against robocalls: how to verify caller ID on older landlines that don't use Internet Protocol (IP) ...

How to Find the Owner of a VoIP Number: Easy Lookup Methods Your email has been sent Key takeaways: Voice-over-Internet-Protocol (VoIP) is a technology that enables ...

Someone purporting to be from your credit card company calls you, and asks you to update your contact info and confirm your banking information. Only that call doesn't come from your credit-card ...

Latest VoIP news.Session Initiation Protocol is used widely for the setup, teardown and management of VoIP calls. Much of its functionality is related to the setup of calls, as its name implies. Part ...