Category:Telephony
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Revision as of 18:50, 6 June 2011 by Administrator1 (Talk | contribs)
The use of devices for voice communication, for example, cellular and digital telephone systems.
Subcategories
- Audiotex
- Cellular telephone systems
- Centrex telephone systems
- Digital telephone systems
- Telephone switching systems
Subcategories
This category has the following 5 subcategories, out of 5 total.
A
C
D
T
Pages in category "Telephony"
The following 130 pages are in this category, out of 130 total.
Media in category "Telephony"
The following 8 files are in this category, out of 8 total.
