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List of AT Commands for Nokia 22
Copyright © Nokia Mobile Phones 2001. All rights reserved.
6.3.16 +CVHU Voice Hang Up Control
Command response default
set
+CVHU=<mode> 0
read
+CVHU? +CVHU: <mode>
test
+CVHU=? +CVHU: (0-2)
By default, NMP products should ignore the DTR drop, but disconnect on the ATH during a call
that is in the voice mode. (GSM 07.07 section 6.).