MCPC-TR-002 Hands-Free Profile 1.5 Application Guideline ...

©Copyright 2006-2011 Mobile Computing Promotion Consortium (MCPC)MCPC TR-002 Hands-Free Profile 1.5 Guideline Version 1.515.13 Signal strength and Battery levelItem Parameter Value, range Reason Spec+CIND IndicatorIt is desirable that “signal” and To indicate the signal HFP“battchg” are supported by the AG instrength and the 4.5addition to “service”, “call” and battery level on the HF 4.7“callsetup”screen.+CIEV current status ofthe indicator0-5 ** For the AG or the HF that handles the signal strength and/or the battery level internally with value of0-3, it is recommended that the internal value and the +CIEV parameter be converted as follows:AG internal value 0 1 2 3+CIEV parameter 0 1 2 3 4 5HF internal value 0 1 1 2 2 3For example, if the signal strength is handled internally with value 0-3 in the AG and its currentstrength is 2, the parameter of +CIEV result code should be 3.If the battery level is handled internally with value 0-3 in the HF and it received +CIEV with parameter“4”, it should be translated to 2 as an internal value of the HF.15