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 and...
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 “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. ...
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