User contributions for Sarah

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
05:5905:59, 27 March 2025 diff hist +1,155 Panel Machine Switching System No edit summary current Tag: Visual edit
05:3405:34, 27 March 2025 diff hist +519 All-relay switch added stuff current Tag: Visual edit
05:3005:30, 27 March 2025 diff hist +67 N File:North All Relay brochure page.jpg No edit summary current

08:3308:33, 26 March 2025 diff hist +327 N Facility wrote something Tag: Visual edit
08:3008:30, 26 March 2025 diff hist +293 N All-relay switch wrote something Tag: Visual edit
08:2708:27, 26 March 2025 diff hist +44 N Panel switch created redirect current Tags: New redirect Visual edit
08:2408:24, 26 March 2025 diff hist +396 N Semi-mechanical Created page with "'''Semi-mechanical''' switching was a method of connecting calls where a human operator keyed the calling party's desired telephone number into a keyset on her desk, and the call was completed automatically by machine. It was used in the first trial installations of the panel system when it was thought that customers would respond poorly to machine switching." current Tag: Visual edit
08:2108:21, 26 March 2025 diff hist +907 Panel Machine Switching System wrote more. idk might delete later Tag: Visual edit

19:3519:35, 24 March 2025 diff hist +590 N Local Automatic Message Accounting Created page with "'''Local Automatic Message Accounting (LAMA)''' is a method of billing for long distance calls where the billing records are created and stored at the same central office that the call originated from. This is in contrast to CAMA, where the call records are sent elsewhere for storage. LAMA was first introduced in a step by step office Los Angeles in the 1941. LAMA was then re-introduced in an improved form with the No. 5 Cros..." Tag: Visual edit
19:3219:32, 24 March 2025 diff hist +573 Centralized Automatic Message Accounting No edit summary Tag: Visual edit