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 ...

The House has passed the “Truth in Caller ID Act of 2010” (PDF), which does exactly what its name would lead you to believe. Under the bill, it becomes illegal “to cause any caller ID service to ...

Have you received a phone call with the words “VoIP caller” in the caller ID? If you’re scratching your head wondering what VoIP caller means, Forbes Advisor has the answers. Instead of calling ...

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) ...

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 ...

Logitech has outed a new keyboard, the UC Solution for Cisco 725-C, complete with dedicated VoIP controls and a caller ID display. The new 'board – which Logitech says pairs up neatly with its C920-C ...