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- 10:48, 27 June 2016 diff hist +272 Examples of Communication Systems/Further Developments of ISDN
- 10:45, 27 June 2016 diff hist +453 Examples of Communication Systems/ISDN Primary Multiplex Connection
- 02:05, 27 June 2016 diff hist +86 Gadgets current
- 01:41, 27 June 2016 diff hist +1,181 Examples of Communication Systems/ISDN Basic Access
- 01:31, 27 June 2016 diff hist +1 Examples of Communication Systems/General Description of ISDN
- 01:30, 27 June 2016 diff hist +7 Examples of Communication Systems/General Description of ISDN
- 01:29, 27 June 2016 diff hist +1,311 Examples of Communication Systems/General Description of ISDN
- 01:16, 27 June 2016 diff hist +12,270 Examples of Communication Systems/Further Developments of UMTS
- 00:22, 27 June 2016 diff hist +37 Examples of Communication Systems/Telecommunications Aspects of UMTS
- 00:22, 27 June 2016 diff hist +1 Examples of Communication Systems/Telecommunications Aspects of UMTS
- 00:21, 27 June 2016 diff hist +31,637 Examples of Communication Systems/Telecommunications Aspects of UMTS
- 23:37, 26 June 2016 diff hist +24,693 Examples of Communication Systems/UMTS Network Architecture
- 22:58, 26 June 2016 diff hist +18,493 Examples of Communication Systems/General Description of UMTS
- 22:26, 26 June 2016 diff hist +14,574 Examples of Communication Systems/Further Developments of the GSM
- 22:11, 26 June 2016 diff hist +37 Examples of Communication Systems/Speech Coding
- 22:04, 26 June 2016 diff hist +12,530 Examples of Communication Systems/Entire GSM Transmission System
- 21:45, 26 June 2016 diff hist +13,249 Examples of Communication Systems/Speech Coding
- 17:37, 23 June 2016 diff hist +9,643 Examples of Communication Systems/Speech Coding
- 17:17, 23 June 2016 diff hist +37 Examples of Communication Systems/Radio Interface
- 17:17, 23 June 2016 diff hist +8,766 Examples of Communication Systems/Radio Interface