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  2. Phone log - Wikipedia

    en.wikipedia.org/wiki/Phone_log

    A phone log is metadata collected from telephone or mobile phones for the purpose of surveillance or espionage. This metadata may include: length of calls, phone numbers of both parties, phone-specific identification information, GPS location, call proximity, and/or computer converted voice-to-text transcripts of the phone call conversation. [ 1 ]

  3. Call logging - Wikipedia

    en.wikipedia.org/wiki/Call_logging

    The call logging trial proved successful and while it was initially designed to gather phone call data and cost of billing details specific to the customers' call's, a hidden benefit emerged such that local management were also able to see a pattern of the types of calls being generated, i.e. calls to and from certain businesses in addition to ...

  4. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    An intermediary machine or process rejected the call attempt. [25] This contrasts with the 607 (Unwanted) SIP response code in which a human, the called party, rejected the call. The intermediary rejecting the call should include a Call-Info header with "purpose" value "jwscard", with the jCard [26] with contact details. The calling party can ...

  5. Voice logging - Wikipedia

    en.wikipedia.org/wiki/Voice_logging

    Voice logging is the practice of regularly recording telephone conversations. Business sectors which often do voice logging include public safety (e.g. 9-1-1 and emergency response systems), customer service call centers (conversations are recorded for quality assurance purposes), and finance (e.g. telephone-initiated stock trades are recorded for compliance purposes).

  6. Call detail record - Wikipedia

    en.wikipedia.org/wiki/Call_detail_record

    A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...

  7. 221st Combat Communications Squadron - Wikipedia

    en.wikipedia.org/wiki/221st_Combat...

    The United States Air Force's 221st Combat Communications Squadron (221 CBCS) is a Texas Air National Guard combat communications unit located at Hensley Field, Texas. It is part of the larger 136th Airlift Wing .

  8. 311 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/311_(telephone_number)

    The first use of 3-1-1 for informational services was in Baltimore, Maryland, where the service commenced on 2 October 1996. [2] 3-1-1 is intended to connect callers to a call center that can be the same as the 9-1-1 call center, but with 3-1-1 calls assigned a secondary priority, answered only when no 9-1-1 calls are waiting.

  9. Interactive voice response - Wikipedia

    en.wikipedia.org/wiki/Interactive_voice_response

    In telecommunications, an audio response unit (ARU) (often included in IVR systems) is a device that provides synthesized voice responses to DTMF keypresses by processing calls based on (a) the call-originator input, (b) information received from a database, and (c) information in the incoming call, such as the time of day. ARUs increase the ...