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L1-07F.10 – Challenges With VoIP Services Today

L1-07F.10 – Challenges With VoIP Services Today Lack of standards leads to lack of reliability –No standards are mandated by the FCC for VoIP networks –Security panels that work in one network may not work in another provider’s network –Equipment may work when tested...

L1-07F.07 – One Specific VoIP System

L1-07F.07 – One Specific VoIP System Touchtone digits slightly decayed     DTMF Close up – Cannot be decoded The screen shots above were from recordings of one VoIP network provider. Note the gradual decay of the tone as opposed to the clean breaks on the...

L1-07F.06 – The Impacts of VoIP Systems

L1-07F.06 – The Impacts of VoIP Systems “1” Transmitted At the Panel The screen shots above show a relatively clean Contact ID transmission. In this recording, the top grey waveform shows what was leaving the panel and the bottom waveform was taken at the receiver. ...