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Originally posted by ayahuasca Okay, I got curious and looked it up. Here's the authoritative definition: there are three different GPRS classes A, B and C. Class A handsets can do CS and PS in parallel (download something from the internet while on a CS call). Class B handsets can also do both, but one after the other (no WAP browsing while on a voice call, no voice call coming through while surfing the internet). And finally Class C devices, which are data devices only (such as the old (first) RIM Blackberry). CS and PS mean circuit-switched and packet-switched, respectively. IE voice and data, respectively. |
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