Meaning of CDR: What is CDR in Pakistan? We do not host free operator CDR PDFs. Column names differ by Jazz, Telenor, Zong, and Ufone. After a lawful Excel/CSV import, CDR Analyzer maps these fields for contacts, locations, and device views. Teaching headers: column mapper.
A CDR row is one network event (usually a call or SMS). Identity fields say which SIM / which handset. Radio fields say which sector served the event. Map fields say where that sector is drawn. Traffic fields say how much / which way. None of this is a voice recording, and none of it alone proves who held the phone. Limits: digital evidence (CDR, IMEI, towers).
CDR / Call Detail Record
CDR full form in police work is Call Detail Record (also Call Data Record). In Pakistan it is the operator log of events for a mobile number: calls, SMS, date/time, the other party, and technical columns (cell, IMEI, often IMSI). CDR means in police that same log. It is not a voice recording and does not by itself prove who held the handset. Product page: what is CDR in Pakistan.
MFC — Most Frequent Contacts
Numbers that communicate most with the subject in the imported file (A-party / B-party counts, incoming and outgoing). Used in cdr analysis / cdr intelligence to see who the subject talks to most around an incident window — not a list of “guilty contacts.”
MFL — Most Frequent Locations
CDR location in software usually means the cell sites / sectors that appear most often. Ranked from Cell ID, Site ID, LAC/TAC, and any coordinates or place names in the file. It shows radio association, not a GPS track of a person walking.
IMEI number
IMEI (International Mobile Equipment Identity) is the handset / radio module identity written on many CDR rows (often 15 digits). How it works: the network records which device was used for that event. Officers use IMEI to see whether one number jumps between handsets, or whether one device appears on more than one number. It is not proof of who held the phone. Dual-SIM, replacements, and empty/wrong IMEI cells are common. Related: IMEI and tower limits.
IMSI
IMSI (International Mobile Subscriber Identity) identifies the SIM / subscriber profile on the network, not the plastic phone. How it works: when the SIM registers, the operator associates events with this identity. In a CDR it helps ask whether the same SIM stayed on one IMEI or moved. Treat IMSI as sensitive identity data: keep it in the lawful file; do not publish real IMSIs on websites.
Cell ID
Cell ID (sometimes CGI, CI, or a combined “410-…-…” string) is the radio sector that served the event. How it works: the phone camps on a sector; the CDR stores that sector’s identifier. One tower site usually has several cells (different facing). Cell ID is the main key for MFL and for drawing a sector on a map when coordinates and azimuth are also present.
Site ID
Site ID is the physical tower / BTS site that owns one or more cells. How it works: many Cell IDs share one Site ID. Grouping by site answers “which tower area,” grouping by cell answers “which facing.” If Site ID is missing, officers often group by Cell ID or by coordinates the operator supplied.
LAC — Location Area Code
LAC is a 2G/3G location area: a group of cells the network uses for paging. How it works: the phone updates when it crosses into a new LAC. In a CDR, LAC plus Cell ID (and MCC/MNC when given) uniquely points to a sector in older layouts. A LAC change is a coarse movement hint, not a street address.
TAC — Tracking Area Code
TAC is the 4G/LTE (and similar) cousin of LAC: a tracking area of cells. How it works: same idea as LAC — paging and mobility management — on newer radio. Jazz/Telenor/Zong/Ufone exports may show LAC, TAC, or both depending on the generation of the event. Do not mix a 3G LAC with a 4G TAC as if they were the same code.
Latitude and longitude
Latitude and longitude are map coordinates the operator (or a site database) attached to the serving cell or site — usually the tower / sector reference point, not the subscriber’s GPS. How it works: CDR Analyzer and KML export can plot these points. A pin is “where the network says that cell is,” not “where the accused stood.” Indoor phones often still show the outdoor site coordinates.
Location / address
Location in a CDR is often a place-name or address string next to the cell (bazaar, chowk, village). How it works: it is a label for the site, useful for reading MFL without a map. Spellings differ by operator. Always pair the label with Cell ID / coordinates when you write the zimni or report, so a later reader can check the same sector.
Network volume
Network volume (data volume, uplink/downlink bytes, or similar) appears on some data or combined CDRs. How it works: it measures how much packet data the session used, not what website or chat was opened. High volume only means “data was used.” Voice/SMS rows may show duration instead of volume. Empty volume on a call row is normal.
Direction
Direction (IN / OUT, incoming / outgoing, originating / terminating, MO / MT) says which side started the event. How it works: OUT/MO usually means the subject’s number started the call or SMS; IN/MT means the other party started it. MFC splits counts this way. A missed or forwarded call can still have a direction — read the operator’s code list if the file has one.
Operator
Operator is the network that produced the file: Jazz, Telenor, Zong, or Ufone in Pakistan work. How it works: each operator uses different column titles. Pick the matching import profile in CDR Analyzer, then spot-check Cell ID, IMEI, and date. A file from one operator does not list the other party’s tower — only what that operator saw for the requested number.
IP address
IP address (and sometimes port or APN) appears on data sessions, not on every voice CDR. How it works: the operator assigns a network address for that packet session. It can support “data was used at this time on this cell,” not “this person typed this message.” Public IPs are often shared (NAT). Do not treat an IP as a home address.
Azimuth / bearing (A)
Azimuth or bearing (A) is the compass direction the sector antenna points, in degrees (0 = north, 90 = east). How it works: combined with Cell ID, site coordinates, and beam width, it draws a pie-slice on the map (KML / Google Earth). The subscriber is more likely somewhere in that slice than at the pin. Overlap with the next sector is normal. If azimuth is missing, plot only the site point and say so in the report.
Beam width (A)
Beam width (A) is how wide that sector’s radio coverage is drawn, in degrees (often about 60–120 for a three-sector site). How it works: azimuth is the centre line; beam width opens the slice left and right. A narrow beam is a tighter drawing, not a tighter legal proof. Always write that this is a planning / plot aid, not a surveyed crime-scene circle.
How the fields work together
Typical reading order after import: (1) date/time and direction — what happened; (2) other party — MFC; (3) IMEI / IMSI — which device and SIM; (4) Cell ID + Site ID + LAC or TAC — which sector; (5) latitude/longitude + location label — where to plot; (6) azimuth + beam width — how to draw the sector; (7) duration or network volume — how long / how much data. CDR Analyzer uses these mapped columns for MFC, MFL, IMEI views, and KML. Workflow: how to use CDR Analyzer.
Police CDR report
An export from call data record software (CDR Analyzer) that you print or attach with the missal: contacts, locations, IMEI notes, and the incident window. It is not a free online Jazz/Telenor PDF. Quote Cell ID and time in the zimni the same way the export shows them.
Lawful access
Subscriber and traffic records come through departmental process. Software only helps after a file is in lawful custody. This glossary explains column meaning; it is not a method to obtain operator data without authority.
FAQ
Can I download free Call Data Record PDFs here?
No. Download CDR Analyzer software, then import Excel/CSV obtained lawfully.
Is CDR the same as missal writing?
No. MPW writes the paper file; CDR Analyzer reads operator spreadsheets. Take the quiz.
What is Jazz CDR or Telenor CDR?
Operator Excel/CSV layouts. Import in CDR Analyzer with the matching profile. Demo headers: column mapper.
What is a police CDR / cdr police file?
A lawful operator log used in investigation. This site offers police CDR software download, not subscriber dumps.
What is the difference between IMEI and IMSI?
IMEI is the handset identity; IMSI is the SIM / subscriber identity. A number can change IMEI when the phone changes; IMSI stays with the SIM until the operator changes it.
What are Cell ID, LAC, TAC, and azimuth?
Cell ID is the serving sector. LAC (2G/3G) or TAC (4G) groups cells for paging. Azimuth and beam width draw that sector on a map. See the field cards above.