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Direct distance dialing
Results: 25

#	Item
21	PDF Document Add to Reading List Source URL: doa.alaska.gov Language: English - Date: 2012-11-10 17:43:55 Payphone International call Direct distance dialing Electronic engineering Electronics Service-oriented architecture Telephone numbers Telephony Toll-free telephone number
22	Microsoft Word - T-Rules Update 20 May 2011 Add to Reading List Source URL: psc.alabama.gov Language: English - Date: 2013-03-25 14:32:36 Direct distance dialing Long-distance calling Telemarketing Local telephone service Local call Telephone exchanges Telephone numbers Via Net Loss Rochester Telephone Telephony Electronic engineering Electronics
23	Microsoft Word - T-Rules Update 20 May 2011 Add to Reading List Source URL: www.psc.state.al.us Language: English - Date: 2013-03-25 14:32:36 Direct distance dialing Long-distance calling Telemarketing Local telephone service Local call Telephone exchanges Telephone numbers Via Net Loss Rochester Telephone Telephony Electronic engineering Electronics
24	ERNA SCHNEIDER HOOVER Add to Reading List Source URL: web.mit.edu Language: English - Date: 2001-10-02 15:53:15 AT&T Erna Schneider Hoover Women in engineering Women in technology Telephony Bell Labs Telephone Direct distance dialing Technology Science and technology in the United States Bell System
25	PDF Document Add to Reading List Source URL: www.historyofphonephreaking.org Language: English - Date: 2008-08-21 12:13:25 Panel switch Dual-tone multi-frequency signaling Direct distance dialing Signalling System No. 7 Multi-frequency signaling Single-frequency signaling Number Five Crossbar Switching System Rotary dial Telephone Telephony Telephone exchanges Signaling

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