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<TITLE>Can GPRS steal bandwidth from voice?</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Hello everyone,</FONT>
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<P><FONT SIZE=2 FACE="Arial">I am a newbie to this, and if you know of an informative URL that has relevant information, please point me to it.</FONT>
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<P><FONT SIZE=2 FACE="Arial">Suppose a cellular subscriber gets a PocketPC (Windows Mobile 2003 Phone Edition), and subscribes to a voice + Internet plan. He then decides to use a proprietary VoIP application using the Internet plan. He is not using the voice part of his plan; he is channeling all the bits over GPRS. Suppose the application wants to maximize performance. It seems to me that there is a decision that needs to be made about bandwidth allocation between "regular" mobile voice and VoIP/GPRS here. Which entity makes that decision? Is it up to the application (driving the codec) to decide that it will "borrow" bandwidth from voice and allocate all the bandwidth to GPRS? Or is that decision made by Windows Mobile? And even if the application can hog the voice part of the bandwidth, will the cellular carrier let it happen, or will they spoil the party by allocating the "spare" voice bandwidth of this user to other voice users at the nearest network aggregation point?</FONT></P>
<P><FONT SIZE=2 FACE="Arial">At a top level, what I am trying to determine is this: Using the Internet plans of Verizon, Sprint or T-Mobile, what are my chances of achieving a consistently decent voice quality if I run a proprietary VoIP application? Or do you suggest I stick to the rule of "if you want good voice, stick to voice plans"? Thank you.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Vipul</FONT>
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