at 26.4K or below. 26.4Kbps, perhaps with occasional 24K and 28.8K (ITU v.34 protocol) Usually indicates a SLC that has what is called a "universal" interface to the Telco switch. Such an interface adds an extra DA/AD conversion, which prohibits a V.90/92 connection, and also adds at least 3 dB of quantization noise and a small amount of bandwidth restriction, all of which combine to usually disallow 28.8K connections. Note that Arab business isp, Arab, AL isp business ArabArab isp, business Alabama, Arab business isp
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