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| reply to DogFace05
Re: HD Voip? said by DogFace05:said by garys_2k:It's another "critical mass" issue. If enough VOIP providers supported it, and enough users had good enough hardware (handsets, ATAs w. WB codecs, SIP phones w. WB codecs) that could use it and if enough calls could be placed without touching the PSTN, then it would likely catch on. But those are three pretty big if's. Why would anyone in their right mind want to make an ATA with WB codecs? The idea is patently absurd. Why is it absurd? If it doesn't consume undue resources, it won't be relevant for PSTN calls, but if you are calling another of their subscribers, and a WB link is negotiated, people would have a clearer conversation. |
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2 edits | said by druber:Why is it absurd? If it doesn't consume undue resources, it won't be relevant for PSTN calls, but if you are calling another of their subscribers, and a WB link is negotiated, people would have a clearer conversation. No, they wouldn't. You can't get a clearer connection with an ATA-POTS combination, no matter how wide (bandwidth-wise) a codec you use, period, when the analog handsets the ATAs connect to, don't support more than a 3.4kHz bandwidth (which is already covered by the standard G711 codec).
ATAs, by definition, are designed to interface with analog telephone sets made for connection to the PSTN, which by regulatory requirement must be band limited to 3.4kHz to be allowed to connect to the PSTN. A telephone set that does not comply with this limitation, will not get FCC approval and may not legally be sold in the US. Equivalent regulations apply in most other countries, as well.
It would make little sense to create a whole new market for special wideband analog handsets (that are not allowed onto the PSTN), when it's less costly to just make integrated digital IP phones to start with. |
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| fair enough. was there a reason you couldn't have said this to begin with? |
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| reply to DogFace05
Open your mind. We are no longer tied to a POTS world.
»www.voip-info.org/wiki/index.php···IPPhones
»www.google.com/search?client=fir···e+Search |
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