Early reports and tweets from Verizon Wireless support staff suggested that simultaneous data usage and voice calls would be possible on the new LTE-equipped iPhone 5. A new statement says that's not in fact the case: taking a call on the iPhone 5 will cause the handset to drop any data connection.
The support person tweeted yesterday that "You can run voice/data at the same time on 4G devices, while in a 4G area!" when asked if the 4G iPhone 5 would permit simultaneous voice and data. Today, however, AllThingsD noted there was no simultaneous voice and data after all. We asked Verizon and were told "iPhone 5 was designed to allow simultaneous voice calling on the Verizon Wireless network while browsing the Internet over WiFi. This is no different from the current iPhone 4S. For further details, check with Apple."
A long-standing feature of the CDMA networks used by Verizon and Sprint is they don't permit simultaneous use of a data connection and a voice connection. Due to their use of the data-only EVDO standard (instead of the data plus voice EVDV alternative), any inbound or outbound call forces the phone to drop the data connection and revert to a CDMA connection.
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Article by Peter Bright (c) Ars Technica - Read full story here.
