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Dual-tone multi-frequency signaling
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51	1812 RESIDENTIAL TELEPHONE INTERCOM talk Add to Reading List Source URL: www.rsdoors.com Language: English - Date: 2008-08-27 18:23:20 Intercom Business telephone system Telephone Access control Dual-tone multi-frequency signaling Call forwarding Door Telephony Technology Electronic engineering
52	Glolab Talking Phone Dial Monitor Introduction______________ The Talking Phone Dial Monitor detects the tones generated when numbers are dialed Add to Reading List Source URL: www.glolab.com Language: English - Date: 2014-04-16 12:38:16 Telephony IC3 Telephone IC codes Rotary dial Electrical connector Blue box Dual-tone multi-frequency signaling DIP switch Technology Rail transport Electronic engineering
53	Complete Recording Kit T1 or PRI to USB Server • Installs with a quick, simple connection between the PBX and your server. Existing equipment is unaffected. No PBX programming is required. • The “T1 Tapper” inter Add to Reading List Source URL: www.digital-loggers.com Language: English - Date: 2008-05-22 17:32:57 Videotelephony Computer telephony integration Integrated Services Digital Network Business telephone system Caller ID Dual-tone multi-frequency signaling Signaling Trunking Call-recording software Telephony Electronic engineering Electronics
54	DSX-40 Demo Kit Quick Start Guide Important • • Add to Reading List Source URL: www.necdsx.com Language: English - Date: 2009-05-11 12:35:24 Intercom Dual-tone multi-frequency signaling Telephone exchange Rotary dial Extension Ringtone Telephone Phreaking Telephony Technology Electronic engineering
55	DSX[removed]Quick Start Guide DSX-80 Cabinet 16COIU PCB Add to Reading List Source URL: www.necdsx.com Language: English - Date: 2009-05-11 12:35:29 William Herschel Telescope Government Radio Network Dual-tone multi-frequency signaling Telephone exchange Voice-mail Ringtone Electronics Electronic engineering La Palma Telescopes
56	™ Residential Telephone Entry by Linear America’s gatekeeper. Add to Reading List Source URL: www.rsdoors.com Language: English - Date: 2008-08-27 18:23:43 Broadcast engineering Dual-tone multi-frequency signaling Relay Business telephone system Telephone Intercom Gate operator Access control Computer keyboard Technology Telephony Electronic engineering
57	DSX-80 Demo Kit Quick Start Guide Important Always check www.necdsx.com for the latest system software updates[removed] Add to Reading List Source URL: www.necdsx.com Language: English - Date: 2009-05-11 12:35:27 Intercom Dual-tone multi-frequency signaling Extension Rotary dial Telephone exchange Telephone Ringtone Phreaking Telephony Technology Electronic engineering
58	PRINTER’S INSTRUCTIONS: INSTR,FACILITY MANAGER,AE[removed]LINEAR P/N: [removed]E - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 8.500” X[removed]” - SCALE: 1-1 - FOLDING: ALBUM-FOLD - BINDING: SADDLE-STITCH AE-500 Tel Add to Reading List Source URL: www.linearcorp.com Language: English - Date: 2008-10-20 12:48:06 Password Computer keyboard Telephone C Keypad Dual-tone multi-frequency signaling Technology Electronic engineering Computing
59	1093067_40_quick_start.fm Add to Reading List Source URL: www.necdsx.com Language: English - Date: 2009-05-11 12:35:27 La Palma Telescopes William Herschel Telescope Dual-tone multi-frequency signaling Government Radio Network Telephone exchange Ringtone Phreaking Voice-mail Telephony Technology Electronic engineering
60	9,67$3366HULHV 9,67$36HULHV 6HFXULW\6\VWHPV Add to Reading List Source URL: www.relycosecurity.com Language: English - Date: 2011-11-22 10:45:08 Technology Burglar alarm Keypad Computer keyboard Pager Alarm devices Function key Dual-tone multi-frequency signaling Security Safety Alarms

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