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Date: 2011-11-22 14:08:53Telephony Technology Videotelephony Federal Communications Commission Communication Mobile telecommunications Mobile phones 9-1-1 Ringtone Voice over IP Landline Enhanced 9-1-1 | Photos courtesy Intergraph/photos by Brett Drury, Architectural Photography Restore YourBudget LAdd to Reading ListSource URL: www.theindustrycouncil.orgDownload Document from Source WebsiteFile Size: 358,63 KBShare Document on Facebook |