* Equant offering free TCO tool
* A closer look at Equant
* Report urges changes to California telecom regulations
* InfoBlox looks to network identity management
Oxford turns from MCI to single carrier at a time when others look to spread their business.
* Your tales from the telemarketing front lines
* AT&T, Sprint, NTT and others deploy next-generation Internet protocol
* Q&A with Virtela Chairman and CEO, Vab Goel
