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 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) ...

In a move designed to close a gap in its robocall mitigation efforts, the Federal Communications Commission (FCC or Commission) adopted a Notice of Proposed Rulemaking (NPRM) at its April 29 Open ...

Real numbers only, please. The House and Senate have now passed legislation prohibiting anyone from altering their Caller ID information in order to "defraud or deceive." ...

As part of the FCC’s attempts to stop unlawful robocalls from traversing American telecommunications networks, the agency has required all voice service, intermediate, and gateway providers to ...

Caller ID used to be a very simple thing in the “landline phones and copper wires” days. If somebody called you, their number showed up on the display, and if it didn’t, then the caller had ...

Recurring No Caller ID activity is therefore better understood as a pattern. Analytical coverage of personal data circulation places emphasis on how identity-linked information continues to move ...