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LTE voice call follow the cuircuit switch path or packet switch path

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Since the LTE networks are usually evolved from a GSM or CDMA network with a circuit-switched path, are calls from LTE-capable handsets still prioritized on the circuit and then thrown on the packet-switched route for a VOIP call if that path is full? Or is it the other way around.

posted Jul 22, 2013 by Sonu Jindal

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1 Answer

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I think it will be a phone setting. I would imagine, by default it should route to PS domain, only in case where there is no 3G/4G coverage it would fallback to CS.

answer Jul 25, 2013 by Chandra Javalkar
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