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Call-progress tone
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#	Item
1	2500 sets (analog) 3 Abbreviated Dialing Add to Reading List Source URL: web.lsue.edu Language: English - Date: 2011-02-18 16:04:41 Dial tone Rotary dial Vertical service code Signal tone Telephone numbering plan Callback Call parking Call forwarding Call-progress tone Telephony Telephone numbers Automatic callback
2	highlights I Realistic, simulated CO/PBX lines in a compact, fully-featured unit Add to Reading List Source URL: telephoniste.free.fr Language: English - Date: 2006-11-04 11:51:58 Ringtone Dual-tone multi-frequency signaling Call-progress tone Reorder tone Telephone exchange Call waiting Signal tone Telephone Rotary dial Telephony Dial tone Ringback tone
3	9-1-1 busy tone: Keep the line free for true emergencies! Only call if there is a crime in progress, a fire burning, or a medical emergency. Add to Reading List Source URL: www.elkgrovepd.org Language: English - Date: 2014-08-20 19:17:42 Emergency Emergency management Risk Safety 9-1-1 Medical emergency In case of emergency Emergency service response codes 999 Public safety Medicine Security
4	Call for Contributions for the work-in-progress symposium for PhD students at the University of Southern Denmark in Sønderborg on September 17, 2014 Linked to the Workshop on “Clusters in the Context of Entrepreneuria Add to Reading List Source URL: iim.uni-flensburg.de Language: English - Date: 2014-05-09 05:20:49 Chords Post-tonal music theory Tone cluster Flensburg Computer cluster Doctor of Philosophy Cluster manager Music Computing Parallel computing
5	Sipura SPA-3000 Simplified Users Guide Version 1.1e Add to Reading List Source URL: www.jmgtechnology.com.au Language: English - Date: 2009-08-21 21:24:39 Broadband Videotelephony Voice over IP Dial tone Telephone numbering plan Public switched telephone network Rotary dial Call-progress tone Telephone Telephony Electronic engineering Technology
6	PDF Document Add to Reading List Source URL: docstore.mik.ua Language: English - Date: 2002-09-28 23:19:09 Ringback tone Call-progress tone Signal tone Disconnect tone Special information tones Reorder tone Technology Engineering Language DBm Dual-tone multi-frequency signaling Dial tone
7	PDF Document Add to Reading List Source URL: www.itu.int Language: English - Date: 2003-06-11 12:00:40 Signal tone Off-hook tone RBU Special information tones Frequency modulation Ringtone Call-progress tone Reorder tone Dial tone Ringback tone

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