* Sprint’s market trial of technology that brings wireless to wireline
* Vonage’s fees; FCC Chairman Powell on regulations
* Fees: Cox’s voice-over-cable service vs. MCI’s voice service
* Readers say it’s easier to tap both PSTN and VoIP calls than stated previously
* Potential for DDoS attacks tops list of concerns over VoIP security
* Vonage, SBC and Qwest are all aggressive on VoIP services
* AT&T has good news and bad news
* The ups and downs of wireless Internet access on the road
* San Francisco Giants turn ballpark into one big wireless hot spot
* Crunching the numbers on Skype’s PC-to-PSTN option
