Category:Telephony

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Subcategories

This category has the following 27 subcategories, out of 27 total.

A

[+] Area codes‎ (1 C, 2 F)

C

[×] Call-progress tones‎ (17 F)
[×] Telephone cards‎ (1 P, 12 F)
[+] Telephone connectors‎ (3 C, 1 P, 62 F)

D

[+] Dual-tone multi-frequency signaling‎ (1 C, 5 F)

E

[+] Telephone exchange equipment‎ (8 C, 50 F)
[+] Telephone exchanges‎ (4 C, 47 F)

H

[+] Helplines‎ (2 C, 4 F)
[+] History of telephony‎ (5 C, 2 P, 22 F)

M

[+] Modems‎ (10 C, 89 F)
[+] Telephone monopoly‎ (1 C)

O

[×] Telephone operators‎ (20 F)

P

[+] Phone books‎ (2 C, 21 F)
[+] Phreaking‎ (1 C, 3 F)

R

[+] Philipp Reis‎ (2 C, 24 F)

S

[×] Serving area interface‎ (35 F)
[+] Sounds of telephones‎ (2 C, 14 F)
[×] Speaking tubes‎ (16 F)

T

[×] Telecommunications device for the deaf‎ (1 P, 5 F)
[×] Telephone diagrams‎ (46 F)
[+] Telephone stamps‎ (5 C)
[+] Telephones‎ (24 C, 3 P, 132 F)
[+] Telephony in art‎ (1 C)
[+] Telephony maps‎ (1 C, 7 F)

U

[+] Utility cabinets‎ (4 C, 23 F)
[+] Utility poles‎ (5 C, 64 F)

V

[+] VoIP‎ (9 C, 1 P, 90 F)

Media in category "Telephony"

The following 101 files are in this category, out of 101 total.

45153-hi-satt01.jpg
1,580,649 bytes
Aansluitfactor.jpg
59,479 bytes
ADSL Line Rate Attenua...
10,400 bytes
AGBell Notebook.jpg
1,067,257 bytes
Artificial Tree Foliag...
70,098 bytes
Artificial Tree Struct...
132,591 bytes
Bell-gray-smoking-gun.png
349,118 bytes
Benesnetwork.png
4,969 bytes
Call Center Agent.jpg
56,038 bytes
Caller ID receiver.jpg
214,648 bytes
Celtel shop uganda.jpg
3,287,961 bytes
Cooke Wheatstone Teleg...
22,487 bytes
CoW.jpg
54,614 bytes
CyberOne.ph, Inc Makat...
6,919 bytes
Date palm.png
135,784 bytes
DTMF dialing.ogg
22,353 bytes
DTMF keypad layout, nu...
3,962 bytes
EclipSLEE.JPG
35,615 bytes
Ejemplo ENUM.jpg
35,376 bytes
ETOM.png
22,574 bytes
F mux Bgroup.png
9,934 bytes
Fan palm antenna camou...
59,554 bytes
Firstparty.jpg
102,783 bytes
Fixed telephone lines ...
26,757 bytes
FTTE Diagram.svg
577,704 bytes
George Sweigert Radiot...
40,558 bytes
German field telephone...
928,193 bytes
German field telephone...
880,971 bytes
Graph of radiation.png
246,017 bytes
Hagwilget First Bridge...
125,640 bytes
Hagwilget Second Bridg...
122,183 bytes
Haussprechanlage ausse...
1,215,757 bytes
Headstrong at SIFMA.jpg
72,854 bytes
Headstrong HELM.jpg
85,775 bytes
HGT Schreibtelefon.JPG
554,009 bytes
Interactive voice resp...
13,230,096 bytes
Iristel Logo.svg
103,855 bytes
ITANO-NAZO-DENWA.jpg
103,043 bytes
KTASspolehus.jpg
1,079,233 bytes
Lava license.jpg
555,539 bytes
Location india prestig...
60,945 bytes
Location us farmington...
18,679 bytes
Loipss.png
179,617 bytes
Maritime pine antenna ...
58,567 bytes
MCI Logo-old.svg
100,662 bytes
Mftr mobiflanged.jpg
35,760 bytes
Minacs Logo Small2.JPG
6,632 bytes
Mobicents logo.gif
3,467 bytes
Mobitower.jpg
43,868 bytes
Model5300VsModel500Com...
88,719 bytes
Mtco.jpg
44,575 bytes
Mtn public telephone u...
2,750,292 bytes
NCOfront.jpg
146,460 bytes
Netshade-256.png
54,755 bytes
NGN.jpg
283,470 bytes
NT1 en AOP.jpg
188,798 bytes
Nummermelder 1.jpg
17,555 bytes
Nummermelder 2.jpg
16,123 bytes
Ogos.jpg
30,845 bytes
PABX.jpg
1,565,562 bytes
Phone keypad layout co...
3,964 bytes
Phone keypad layout, g...
3,656 bytes
Plumvoice hires.png
74,046 bytes
Postafon logo.jpg
17,094 bytes
Ptt.jpg
336,852 bytes
Qdap.jpg
112,620 bytes
Quotron.jpg
4,915,978 bytes
Radiation map.png
704,185 bytes
Regal Cinema Redruth.jpg
4,319,258 bytes
Sprechanlagen-Einordnu...
400,555 bytes
Srta.jpg
31,510 bytes
Star69.ogg
327,122 bytes
Stentor reading.jpg
37,284 bytes
Stokenchurch BT Tower.JPG
2,650,652 bytes
Stokenchurch's BT Towe...
74,780 bytes
Stowaway Touch Tone Me...
963,810 bytes
STU-III.png
22,703 bytes
STUN Algorithm3.svg
56,798 bytes
STUN algoritmus.svg
30,463 bytes
Telefon Hirmondo - Con...
868,087 bytes
Telefon Hirmondo - Rep...
616,412 bytes
Telefon Hirmondo - Ste...
350,362 bytes
Telefoondistrict alkma...
504,691 bytes
Telelphone herald list...
81,777 bytes
Telemarketing.JPG
72,491 bytes
Telephonoscope.jpg
228,274 bytes
Telesys Web Logo.png
24,644 bytes
Telit ws RGB white.jpg
85,754 bytes
Thirdparty.jpg
109,289 bytes
Three-stage clos netwo...
6,883 bytes
Three-stage clos netwo...
7,024 bytes
Tor-non-exit-relay-ban...
55,511 bytes
UMA Logo.jpg
120,388 bytes
Usbphone.gif
3,180 bytes
USSD on a phone.jpg
1,862,606 bytes
V1eng.png
9,826 bytes
V2eng.png
7,186 bytes
Voice Operator Panel.gif
44,686 bytes
Wackershofen Freilandm...
1,125,641 bytes
WE500GLineCard.png
143,741 bytes
Zenas-fisk-wilber-affi...
1,560,670 bytes

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