Re: [telecom] Why the US still won't require SS7 fixes that could secure your phone

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The Ars article misses the point. The real reason SS7 won't be fixed is because it can't. SS7 is relied upon by the PSTN legacy switches, mainly AT&T Technologies/WECo/Lucent (mostly they predate the Lucent years) 5ESS and Nortel DMS. Both companies are history. Theoretically Nokia and Ribbon (ex-Genband) own the product lines and sell mainte- nance, but no real upgrades can be done on them. They're being re- placed by newer products, which will mostly use SIP, not SS7. That's probably much less secure, but nobody cares, as they're blinded by IP magic pixie dust.

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Posted 5 years ago by Fred Goldstein in General Telecommunications Forum

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