User contributions for Sarah

22:3422:34, 13 April 2025 diff hist −150 CMS:No. 9 Telegraph Testboard Removed reference to hub A. This board did not use the "hub" concept. current Tags: Manual revert Visual edit

20:5720:57, 11 April 2025 diff hist +3 CMS:Red telephone box K6 current Tag: Visual edit
20:5520:55, 11 April 2025 diff hist +792 N Key system Created page with "A key system is a type of telephone system designed to care for the communication needs of small to medium sized businesses. They offer many more user features than a normal single line telephone set, such as placing a line on hold, multi-line support. intercom service, attended transfer, etc. Unlike standard single-line telephones, which use a single wire pair to connect to a Central Office, key telephones require three wire pairs for each line. The ''talk pair'' is fo..." Tag: Visual edit
20:5220:52, 11 April 2025 diff hist −318 CMS:Key System Collection No edit summary Tag: Visual edit

22:2322:23, 2 April 2025 diff hist +636 N West central office Created page with "'''West (STTLWAWE)''' is a central office serving West Seattle. It was built in 1922, and cut over on March 3, 1923 along with Parkway and Melrose. The building originally housed a panel switch. In 1941, the first No. 1 Crossbar in the Pacific Northwest was installed to augment the panel. In the 1970s, an addition was built to house a 1A ESS, and as..." current Tag: Visual edit
22:1522:15, 2 April 2025 diff hist +30 C*NET linky current Tag: Visual edit
22:1222:12, 2 April 2025 diff hist +973 Alternate routing No edit summary current Tag: Visual edit
22:0122:01, 2 April 2025 diff hist +84 CMS:Completing Marker 1 (CM1) photo Tag: Visual edit
22:0022:00, 2 April 2025 diff hist +95 N File:Cm1.png No edit summary current
09:2609:26, 2 April 2025 diff hist +554 N Busy hour wrote it current Tag: Visual edit
09:2009:20, 2 April 2025 diff hist +1,320 N Alternate routing wrote it Tag: Visual edit

21:3321:33, 27 March 2025 diff hist +189 N Multi-Frequency Signaling System Created page with "The '''multi-frequency signaling system (MF''') is a method of transmitting telephone numbers from one point to another by using combinations of tones to represent each digit in the number." current Tag: Visual edit
11:5711:57, 27 March 2025 diff hist −10 Outgoing Sender No edit summary current Tag: Visual edit
11:5711:57, 27 March 2025 diff hist +46 N Multifrequency signaling Redirected page to Multi-Frequency Signaling System current Tags: New redirect Visual edit
11:5611:56, 27 March 2025 diff hist +46 N MF created redirect current Tags: New redirect Visual edit
11:5511:55, 27 March 2025 diff hist +3,173 N Panel Call Indicator wrote article current Tag: Visual edit
11:3911:39, 27 March 2025 diff hist +62 N File:Pci-display.jpg No edit summary current
11:3511:35, 27 March 2025 diff hist +34 N PCI Redirected page to Panel Call Indicator current Tags: New redirect Visual edit
11:3511:35, 27 March 2025 diff hist +95 Sender links Tag: Visual edit
06:0606:06, 27 March 2025 diff hist +421 Sender added flavor packets Tag: Visual edit