AT&T’s Sambar apologizes to NPSTC, describes core-to-core interoperability as a ‘slippery slope’
Chris Sambar, AT&T’s official leading the FirstNet effort, apologizes for comments about the public-safety-grade (PSG) definition, said AT&T is committed to Band 14 deployment and outlined potential security concerns that core-to-core interoperability with Verizon or other carriers could cause for public safety.
