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Rated XXX
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 Posted: Wed, 10 Aug 2005 10:20:58 Post Subject: |
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Normal (pots)telephone service was designed to have a small amout of echo/hear your own voice (makes the conversation seem more normal) however if the delay is too long, it is very disruptive. This usually only is noticably on very long distance calls.
Some (most?)VoIP services have chosen to emulate this and if there is a packet delay (latency) it sounds like an echo. This is most noticable on low bandwidth CODEC's. With vonage I believe you can dial *99 (might be #99) before dialing the call to signal for a high rate CODEC to be used (intended for FAX and data calls) (exact number code depends on ATA brand and the provider)
much high quality, at the cost of much more bandwidth. |
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