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Date: 2013-05-20 20:07:42Dell Caller ID Dial tone Rotary dial Telephone exchange Toll-free telephone number Interexchange carrier Phreaking Telephone Telephony Electronic engineering Technology | Dial Tones is published monthly for members of Dell Telephone Cooperative, Inc., a member-owned cooperative sinceProud to serve Dell City, DesertAdd to Reading ListSource URL: www.delltelephone.comDownload Document from Source WebsiteFile Size: 295,46 KBShare Document on Facebook |