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IT Horror Stories

Article | Oct. 08, 2018

We asked for your top IT horror stories, and you delivered. Read the most unexpected and cringe-worthy IT nightmares from fellow IT professionals.

RFC 2833 and DTMF Relay

Article | Aug. 12, 2009

Devices must send dual-tone-multi-frequency (DTMF) when a phone call is routed to an automated system. Automated attendant (AA), voicemail (VM), or interactive voice response (IVR) systems are some examples of the types of automated systems that can pick up phone calls.