The majority of telco products have traditional legal intercept baked in already, it's just a licensed feature. While there are additional costs (training, supp

The majority of telco products have traditional legal intercept baked in already, it's just a licensed feature. While there are additional costs (training, supporting infrastructure for storage, connectivity for government agencies to perform traces etc.), I do question how 'substantial' they are, as opposed to say pure licensing costs of said equipment (a HLR or SMS-C ain't cheap). That said commercial passive telco probes are horrendously expensive so the devil may be in the implementation details. With new meta-data retention laws coming into play (i.e. 2 years for Australia).. I'm assuming the costs will be raised significantly. You can read the mandate here - https://www.ag.gov.au/NationalSecurity/DataRetention/Documents/DataRetentionGuidelinesForServiceProviders.pdf https://www.ag.gov.au/NationalSecurity/DataRetention/Documen...