The Implementation of the Communications Assistance for Law Enforcement Act
Audit Report 06-13
Office of the Inspector General
Cellular Port Capacity – Limited capacity of cellular systems to accommodate a large number of intercepts simultaneously.
Audio Dial Digit Capture – Cellular provider unable to capture dialed digits contemporaneous with audio.
Long Distance – Cellular provider could not intercept long distance calls (or provide call setup information) to or from a targeted phone.
Speed Dialing/Voice Dialing/Call Waiting – Provider unable to deliver the actual number dialed when these features are used.
Call Forwarding – Provider unable to deliver the actual number dialed when these features are used.
Direct Inward Dial – Provider unable to isolate target’s communications or provide call set-up information to the exclusion of all other customers.
Voice Mail – Provider unable to provide access to the subject’s audio when forwarded to voice mail or retrieve messages.
Digital Centrex – Provider unable to isolate all communications associated with the target to the exclusion of all others.
Other – Including other calling features such as call back, provider unable to: provide trap and trace information; isolate the digital transmissions associated with a target to the exclusion of all other communications; comprehensively intercept communications, and provide call set-up information.
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